Sync with Membership Plugins

I had three questions before purchasing your plugin.

1.) Will the presenter have the capability to share his screen? We work with a stock trader and it is very important to him to have the capability to share his screen with people in the chat.

2.) We want the chat to be gated, for members and non-members. Is there a membership plugin you recommend that your group chat plugin would be compatible with?

3.) Can you please help me understand roles? I’m assuming that there will be an admin but can you have two people be an admin at once? If