The role assigned to each participant determines the authority that participant has, as well as which features are available for that participant to use; This includes the ability to share audio, video, or media during a Collaborate session.
The four roles available in Collaborate are:
The moderator controls how all content is shared in the collaborate platform. They also control the roles that other participants can have during a Collaborate session.
Presenters are able to lead a Collaborate session and share media.
Participants are able to receive content and engage in a Collaborate session by receiving and sharing audio, video, and text messages.
Captioners are given a place to type what is being said by the presenter to allow access for participants who might be English Language Learners or are hearing impaired.
More detailed information on Collaborate Roles can be found at: Blackboard Help