You can also promote already published posts or imported posts. To do this, proceed as follows:
Open "Posts" in the navigation
Search for the published post you want to promote
Click on "Promote Post
Define the desired settings to promote the post (ad target, audience, placements, duration & budget).
Click "Promote Post" to create a campaign to promote the post according to the specifications.
ℹ️ You will be informed about the start, progress & completion of the campaign according to your settings for notifications .