Which forum CMS lets authors moderate their own topics ?

Hello I'm looking for a forum software to install on my website, that could let any author of a new topic moderate its topic with the same rights as a regular moderator, mostly by editing other members' replies.

I've joined a hundred of BBS (running most softwares) and none of them let the authors be moderate their own thread. Therefore I assumed it was not a built in feature, possibly because pyramidal moderation was the only one known to developers.

If there are too many forum CMS with…

Which forum CMS lets authors moderate their own topics ?

Youtube Strict vs. Moderate Access Considerations

I am considering implementing YouTube restrictions via G Suite. The wording on what exactly Moderate vs. Restrictive access does is very vague. I was wondering what expectations users should have for their YouTube experience at either setting. We currently have a firewall-based solution to prevent pornography from showing up but that is all at this time.