Once you've added the schema tag mentioned in this article to your site and noticed that your Facebook page is still not detected:
Please make sure to set the Page Visibility, Reviews, Country Restriction and Age Restrictions. If your Facebook account restricts visibility, we will not be able to detect your Facebook Page.
Once completed, you can refresh your WooRank review and your social accounts should appear.
You can also refresh your WooRank review by clicking on the “Refresh” button:
If you have followed these steps and your Facebook Page is still not being detected. Please contact us!