If you are a first time user of the Facebook Promotion Campaign, you will need to add your Facebook page during Step 3 – Schedule when creating your campaign. You will click the button to “Connect with Facebook”
You will need to allow the application on Facebook, you can do this by clicking “Okay” three times. Once you have allowed the application on Facebook you are brought to a page asking you what page you would like the Promotion to appear on. You can click the button to Select the page for the promotion to appear on. If you want to select multiple pages, once back on Step 3, click on the Page Name under Facebook Page, and select Connect Another Facebook account. You will then get to Select More pages, like the image below.
Under Step 5 you can set up Social Posts to publish on your Facebook and Twitter pages to promote your campaign. If you would like to add a Facebook or Twitter page, you can click Add Channel on the right side of the page.
You will then be prompted to Authorize the Application through Twitter or Facebook and then you will be able to toggle the accounts you are posting to on the right.
You are now ready to finalize your campaign to publish it on your Facebook Business Page!