this is my test process:

1.only wpForo - Forums is activated. Yes,  I can access the wpForo setting page, and It show I am Admin.

2.but, once buddypress is activated, I can not access the wpForo, I was changed to registered,  so I changed to Admin, and I can access wpForo setting page, 

3. after 3 minutes, I can not access wpForo setting page again, and I was automatically changed to registered again. in this situation, I can not change my role back to Admin since it will return back to registered after refresh the profile page.

also, let me know how to integrate with buddypress, I did not find topic/ reply/ menu item on buddypress profile.

Thanks

Ok, thank you for letting us know. Somehow BuddyPress affects forum usergroup. We're going to check this and update soon.

Posted by: alexlii

also, let me know how to integrate with buddypress, I did not find topic/ reply/ menu item on buddypress profile.

There is no Post and Topic tab. wpForo BuddyPress integration is done automatically. It's only Activity integration. You can see user forum activity in user BuddyPress Profile activity page. That's it.