The whiteboard feature is a great way to display any information you'd like to guests at the event you're sponsoring!
To open up the whiteboard, click the 'More' button in the bottom menu toolbar and then select 'Whiteboard'
Fill up the whiteboard with all your sponsored materials! For example, your company logo, your website or an online pamphlet, an introductory video, and so much more...
For a full list of all the tools available and how to use them on a Miro whiteboard, check out this article!
And here are some examples of whiteboards for a Sponsored Booth: