If you want to view the sub-categories while creating expenses, you should have enabled the parent categories. To enable a category:
To create a new category:
- Switch to Admin View.
- Click the icon in the top right corner of the page.
- Go to Customization and click Modules.
- Click Categories.
- Apply the Inactive Categories filter and select the sub-categories you want to mark as active..
- Mark the Make this a sub-category option, if it’s a sub-category.
- Click Click Enable.