I want to say that they would follow the same access rules as a normal member. I mainly fly CO and have been allowed 2 guests as well as immediate family.
Note: Have been in AA clubs but only by myself.
AA has their access rules posted:
http://www.aa.com/aa/i18nForward.do?...ungeAccess.jsp
Hope it works out.
ETA: does your spouse have a plat card? In that case both you and her can guest in 2. which should cover everyone.