jDownloads supports Joomla! Access Controls and User Group Permissions
Various examples of Permissions and View Access Levels applied to Categories and Downloads. Revised
It is quite possible to create a Download in the Front End with a fixed Category that the User cannot change.
Uses the Batch mode to set either multiple Categories or multiple Downloads
Illustrates how the Reset Permissions tools work.
Using Joomla Debug mode to Show permissons for all categories and downloads graphically by user group.
A very simple introductory example with a Category, its Downloads, and a menu item that can only be seen by specific users.
Permissions and setup for individual user Downloads.