Role assignment tool

The Assign roles button is available on each element of a course (course, container, path, ELP or component).

After selecting the element, the tool is available in the main tab, as shown here on a training course: 

A pop-up window opens with a drop-down list for each profile (Contributors, Managers and MCC Managers). 

You can enter one or more users for each profile. 

You can consult this documentation page to configure rights profiles.