Attendees are view-only participants who can be unmuted if the host chooses. Their view of the webinar is controlled by the host. They can interact with the host and the panelists through the Q&A and the chat.
Joining as a Attendee - Zoom Webinars with Registration
Joining as a Attendee - Zoom Webinars - Without Registration
Panelists are full participants in a webinar. They can view and send video, screen share, annotate, etc. You must be assigned panelist permissions by the webinar host.
Joining as a Panelist - Zoom Webinars