Boost a Facebook post in Publish
Create Content, Click on published post, Show on Facebook, Boost Post
Step 1: Create and publish a post on Facebook in Publish
For a detailed guide on how to create a post click here.
Step 2: After the post has been published, Click on post in the calendar
Step 3: Click "Show on Facebook"
Step 4: Click "Boost Post" to boost your post on Facebook