Managing videos in the VideoManager is structured on the basis of the channels and additionally protected by group affiliation. It is still possible that users who are not members of this group are able to work with the protected videos. This is enabled via access profiles - depending on the specified rights, non-members are granted to view, edit or manage videos of different groups.
In chapter "Assigning an Access Profile to a Video" you will learn how to assign an access profile to a video.