Only System Administrators, Course Administrators, and Course Leaders can assign a user to a module level role. 

1. Select the course that needs a user added to a module role.

2. The Manage Course: view displays.

3. Select the Action dropdown for the corresponding module and click Properties.

4. The Edit Module view will appear.

5. Select the module role that needs to be added.

6. Select one or more users to be assigned to the designated module role and click Assign.

7.  The Edit Module view shows the additional users assigned to the module-based Editor role. Click Submit to save the changes.
Note: When a user is assigned access at the module level, access is limited to that module.

When assigned a role at the module level, a user will only see modules in which they have a role assigned.