Here is a complete list of features in PowerPoint that Zoho Show supports.

Slide Properties
SupportedPartially SupportedNot Supported
 
Slide Size (16:9, 16:10 and 4:3)Show Feature Supported  
Slide Orientation (Portrait and Landscape)Show Feature Supported  
Slide MastersShow Feature Supported  
Slide LayoutsShow Feature Supported  
FooterDateShow Feature Supported  
Footer MessageShow Feature Supported  
Slide NumberShow Feature Supported  
Hidden SlidesShow Feature Supported  
Narration Track  Show Feature Not Supported
Slide BackgroundFill-Solid ColorShow Feature Supported  
Fill-Gradient Linear and Radial supported 
Picture of Texture FillShow Feature Supported  
Pattern FillShow Feature Supported  
Presenter NotesShow Feature Supported  
Slide TransitionTransition Types In addition to a set of Powerpoint transitions, Zoho Show offers it's own transition types too. 
Transition DurationShow Feature Supported  
Sound for Transition  Show Feature Not Supported
Automatically advance slide on set timeShow Feature Supported  
 
Graphic Objects
ShapesShow Feature Supported  
ConnectorStraightShow Feature Supported  
ElbowShow Feature Supported  
CurvedShow Feature Supported  
PicturesShow Feature Supported  
Text BoxShow Feature Supported  
Group ShapeShow Feature Supported  
TablesShow Feature Supported  
ChartBar (Clustered, Stacked, 100% Stacked)Show Feature Supported  
Column (Clustered, Stacked, 100% Stacked)Show Feature Supported  
PieShow Feature Supported  
DoughnutShow Feature Supported  
Scatter (Marked, Smooth Marked, Smooth Lined, Straight Marked, Straight Lined)Show Feature Supported  
BubbleShow Feature Supported  
Area (Normal, Stacked, 100% Stacked)Show Feature Supported  
Line (Normal, Stacked, 100% Stacked, Marked)Show Feature Supported  
ReppieShow Feature Supported  
Radar Rendered as Image 
Stock  Show Feature Not Supported
Surface  Show Feature Not Supported
3D-Charts Rendered as Image 
Smart Art Converted as Group Shapes 
Word Art  Show Feature Not Supported
Video  Alternatively, Embedding Youtube Videos is supported
Audio  Show Feature Not Supported
ArrowNormalShow Feature Supported  
OpenShow Feature Supported  
StealthShow Feature Supported  
DiamondShow Feature Supported  
OvalShow Feature Supported  
 
Graphic Properties
Shape TypesShow Feature Supported  
Modifiers for ShapesShow Feature Supported  
RotationShow Feature Supported  
Flip (Horizontal and Vertical)Show Feature Supported  
Fill (For Shape, Group Shape, Table etc..)SolidShow Feature Supported  
Gradient Linear and Radial types are supported 
Picture or TextureShow Feature Supported  
PatternShow Feature Supported  
LineSolidShow Feature Supported  
Gradient  Imported as Solid colors
SizeShow Feature Supported  
Dash TypeShow Feature Supported  
Cap TypeShow Feature Supported  
Join TypeShow Feature Supported  
Shadow
(Inner & Outer)
ColorShow Feature Supported  
TransparencyShow Feature Supported  
AngleShow Feature Supported  
DistanceShow Feature Supported  
BlurShow Feature Supported  
Size  Show Feature Not Supported
ReflectionShow Feature Supported  
3D-Format  Show Feature Not Supported
3D-Rotation  Show Feature Not Supported
Glow and Soft Edges  Show Feature Not Supported
Crop PictureShow Feature Supported  
Transparency for PictureShow Feature Supported  
Picture CorrectionsBrightnessShow Feature Supported  
ContrastShow Feature Supported  
Sharpen  Show Feature Not Supported
Picture RecolorShow Feature Supported  
Artistic Picture Filters  Show Feature Not Supported
Table PropertiesMerged Table Cell (Row wise and Column wise)Show Feature Supported  
Table Style Options (First row, Last row, etc...)Show Feature Supported  
Table Grid (Different Column height and Row width)Show Feature Supported  
Hyperlink (To a web page, Slide and Email address)Show Feature Supported  
Text Box - Vertical alignment (Top, middle and Bottom)Show Feature Supported  
Text Box - MarginShow Feature Supported  
ArrowStart and End ArrowShow Feature Supported  
Arrow SizesShow Feature Supported  
 
Chart Properties
TitleShow Feature Supported  
LegendShow Feature Supported  
Axis PropertiesTitleShow Feature Supported  
PositionShow Feature Supported  
Grid Line (Major and Minor)Show Feature Supported  
Tick Marks (Major and Minor)Show Feature Supported  
ScalingShow Feature Supported  
LabelShow Feature Supported  
Bar & Column ChartSeries LineShow Feature Supported  
OverlapShow Feature Supported  
Gap WidthShow Feature Supported  
Line ChartDrop LinesShow Feature Supported  
High/Low LinesShow Feature Supported  
Up/Down BarsShow Feature Supported  
Area ChartDrop LinesShow Feature Supported  
Bubble ChartArea of BubbleShow Feature Supported  
Width of BubbleShow Feature Supported  
Scale Bubble sizeShow Feature Supported  
Show nagative valuesShow Feature Supported  
Pie and Doughnut ChartAngle of First SliceShow Feature Supported  
Point ExplosionShow Feature Supported  
Scatter ChartMarker TypeShow Feature Supported  
Data Table  Show Feature Not Supported
Error Bars  Show Feature Not Supported
Switch Plot  Show Feature Not Supported
Trendlines  Show Feature Not Supported
 
Text Properties
FontFamilyIf the font is available in the existing font family, it will be rendered as it is.If not, it will fall back to default font.  
SizeShow Feature Supported  
ColorShow Feature Supported  
Style
(Bold, Italics, Underline, Strikethrough)
Show Feature Supported  
Superscript, SubscriptShow Feature Supported  
CapitalisationShow Feature Supported  
Bidirectional text  Show Feature Not Supported
Column  Show Feature Not Supported
ParagraphAlignmentShow Feature Supported  
Line SpacingShow Feature Supported  
IndentationShow Feature Supported  
Bullets and NumberingBulleted ListShow Feature Supported  
Numbered ListShow Feature Supported  
Bullet SizeShow Feature Supported  
Bullet ColorShow Feature Supported  
Advanced Text StylesFillShow Feature Supported  
StrokeShow Feature Supported  
ReflectionShow Feature Supported  
Shadow  Show Feature Not Supported
 
Animation Properties
TriggerShow Feature Supported  
DurationShow Feature Supported  
DelayShow Feature Supported  
RepeatShow Feature Supported  
Text level animationby paragraphShow Feature Supported  
by wordShow Feature Supported  
by letterShow Feature Supported  
Animate Chartsby seriesShow Feature Supported  
by categoryShow Feature Supported  
by element in seriesShow Feature Supported  
by element in categoryShow Feature Supported