Posts getting no reach on Facebook via Revive Old Post
If the posts posted to your Facebook page by Revive Old Post plugin aren't getting no reach then it's because of your app settings. It can be corrected by navigating to this URL: https://developers.facebook.com/apps/
Select your app, and on your left hand navigation, Select App Review and the first option should say Make name of your app Public? Make sure it's set to yes.
By Default, the apps you establish are set to negative for development status reasons until you’re ready to release.