[chrishajer]

They can be integrated if you use one of these two solution to make the cookies compatible:

https://bbpress.org/plugins/topic/freshly-baked-cookies/

https://bbpress.org/forums/topic/bayanimecom-wp26-and-bbpress-09-complete-cookie-integration

Yes the roles integrate in 0.9.0.4.

The private message plugin has nothing to do with WordPress – it’s a bbPress plugin. However, there have been some security issues with it recently and you might not want to use it right now until those are ironed out.

https://bbpress.org/forums/topic/security-warning-stop-using-private-messaging-plugin