Digital Rights Management (DRM) allows admins to add copyright information and terms & conditions, and to manage how watermarks appear.
User Menu > Settings > Configuration Options > Digital Rights Management
The DRM options can be found by navigating to the Settings and selecting Configuration Options, followed by Digital Rights Management.
How to enable/disable Digital Rights
Check the box (Manage your files copyright information, add terms and conditions for use and watermark restrictions) to enable or disable these options.
You got one tab for Watermarks and another for your Terms & Conditions.