I follow a link from Facebook but can’t see member-only information

If you are using the Facebook app on a mobile device, following a link uses Facebook’s own browser to show you the page. You can login to the website to see member-only information. After you login, use the “go back” browser control three times to see the page you were on. To refresh that screen go to the Facebook menu (on Android three dots at the top tight) and select Refresh.