I think that should be fine. When you log into your profile at
www.usawmembership.com and go to manage your club, if you haven't already connected your individual profile with the club's profile, you'll need to go to
https://www.usawmembership.com/contact-us and put in a request to for additional permissions / authorization. You might already have this taken care of.
When you're documenting your communication, just select "Other" for the type of communication and in the notes section, copy and paste whatever you post on Facebook.