Reports in Zoho Projects includes options such as: gantt chart and resource utilization charts across all projects for a particular user. Furthermore, you can get a bird's eye view of all tasks / milestones completion status across projects within matter of minutes.
In Reports tab, Click Gantt View. The gantt view provides tasks, milestones for a user across projects.

By default a gantt view of all open tasks in a project for current month and for you gets displayed. If you wish to view reports for other users or duration you can make use of the filter options at the top like Select Period, View and Task Reports for.

Select Closed tasks from View option. Gantt view of closed tasks is displayed based on planned and actual completed tasks.

Select Open / Closed milestones from View option. A Gantt view of open / closed milestones gets displayed based on complete and incomplete milestones.

You can view all tasks and milestones across projects for a users. For this click on Task Reports for option. This displays a drop down menu and select All Tasks/ Milstones. The All tasks reports also shows the subtasks associated with it.
All Tasks

All Milestones

We've option to view reports based on users. For this click on Task Reports for option. This displays a drop down menu and select the required user. This displays the tasks along with the subtaks for this team member.

Zoho Projects has stocked options which allows you to take a print out or Convert it to a PDF format and save it in your personal desktop for reference. You can find these options on the top left corner of the report.
