No. It can only support one presentation in a Teams meeting.
When more than one participant sharing their screen, it shows the warning message as below:
Many people give a similar feedback in Teams UserVoice. You can vote it and add your comments in this link: https://microsoftteams.uservoice.com/forums/555103-public/suggestions/38266924-screen-sharing-of-dual-screens-from-one-presenter.
Microsoft will always focus on customer’s feedback and experience. Some new features would be added to the services based on customers' feedback in the future, and your good ideas will be very helpful for them to improve the service.
Your time, understanding and cooperation will be highly appreciated.
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