There is a Members Only section of the website for you to share information only with members who are logged in.
You can preview the page at: https://www.usadk.org/member-section/
You can click the edit link at the bottom of the page when you are viewing it or by navigating to the page in the admin dashboard:
Pages > Member Section
You can make any page Members Only or private by clicking on the desired membership level(s) in the Require Membership box on the bottom of the right-hand side of any page edit screen.