bbpress has a separate set of capabilities, so you can set permissions for the wordpress part of your site totally separately to the capabilities for bbpress.
see
https://codex.bbpress.org/bbpress-user-roles-and-capabilities/
and if needbe
Custom Capabilities
the separate bbpress dynamic caps have been very frustrating for me, i had actually been able to rig something up as the OP described a few years ago with user role editor plugin, but it was broken by the caps change in 2.2 🙁
Roles and Capabilities in bbPress 2.2
an interface to set granular permissions per forum by user or user role for bbpress would be a HUGE boon, this is a core feature of all other forum software i am aware of
otherwise, here is an article on customizing bbpress dynamic caps, haven’t tried this one yet
http://gawainlynch.com/customising-dynamic-roles-in-bbpress-2-2/
i have seen robin’s new plugin too, might do almost what i need but i haven’t had a chance to test it yet, but ultimately my goal would be the ability to create different forums for different customized (custom code or URE etc) member roles which are auto-assigned by s2 member
sam
I think this is a WordPress question, not bbPress.
Thanks @robin-w thats all i need to know.
Nice to see you here @ramiy 😉