4
smartFAQ can have comments activated. Look at the FAQ on this site for an example. Questions can be submitted...
-What's different that you want to do?
-Who do you want to answer the FAQ questions? Moderators/admin or other users?
-How about a forum?
Sorry, I don't really understand what you are trying to do.
Never let a man who does not believe something can be done, talk to a man that is doing it.