This article explains how to add a Pinterest tab to the left column of your Facebook page, so fans can click to view your latest Pinterest pins. We’ll be using a third-party app called Woobox to do this.
How to Add a Pinterest Tab to Your Facebook Page
Let your Facebook Page fans know about your Pinterest profile so they can follow you on Pinterest. The more Facebook fans that follow you on Pinterest, the more likely they are to see your Pins and save them to their boards, which can result in more saves, followers, and clickthroughs.
Go to Woobox.com in a web browser.
Select 'Sign Up' in the top right corner and create an account.