Participants who have been invited to your session as Collaborators will have Shared Control with the Director. They can control almost every parameter of the session to assist during the shoot, but for security they can not send out session invites. Participants added as Watchers can join the session to observe and communicate, but will not be able to control anything within the session.
OpenReel supports up to 4 Collaborators/Watchers per session in addition to the Director, depending on your contract.
Session tasks should be planned out ahead of time and divided among Collaborators. For example: