Permissions for slides "activities" such as polls, surveys, etc

I have had difficulty in participants being able to participate in the slides “activities”. It seems like the only way for people to be able to participate after joining (via QR code or /miro.com/join) is to give everyone “editor” permission. However this can lead to people accidentally moving or rearranging the slides. It would be best to have a special category of permission for participants to be able to participate in the slide activities, but not be able to modify the actual board. Any help is appreciated, thank you.