Restricting Templates to specific groups via Template Category Permissions.
Templates
To restrict access to specific Templates, select the appropriate category and click Permissions. The following view will be presented:
1. Select Unassigned from the Status list. .
2. Check to apply the appropriate groups to have permission to the template category, and click Assign.
3 Select Assigned from the status list, and deselect the appropriate groups you do not want to have permissions to the template category.