Change WordPress user roles and capabilities › Forums › Bug Reports › conflict between Content View Restriction and bbpress ? › Reply To: conflict between Content View Restriction and bbpress ?
“Content view restrictions” should do nothing with “topics” and “answers” until you apparently set them for them. Please re-check your settings for role and for the topics/answers, which are not available.
Does members see private forums if you deactivate “content view restrictions” add-on. As I remember ‘participant” role does not allow to read private forums by default. For example I had to add to it: