Video FAQ: In-Session Controls

Can I take a snapshot of other participant's video stream during a session?+
Can I run two presentations in screen sharing and canvas streaming at the same time?+
How can I mute or unmute audio or video of a participant in a video room?+
How can I join a video room in the "audio-only" mode?+
What is an active talker list?+
What is the maximum number of participants allowed in a video call?+