Apart from normal attendee lounge tables the Exhibitors and Sponsors can have their own tables, which the representatives of that particular Exhibitor and Sponsor can utilize to network with the attendees of the Event.
It is visible under the Lounge section.
How does a Virtual Booth table work?
Add virtual booth profile > Add their representatives to the booth
Add lounge > Add virtual booth tables > Assign tables to a booth profile
The Virtual booth representative needs to login to the event page > Go to the lounge > Sit on the table in order to conduct the meeting