Creating Unpublished Page Posts via Business Manager then Boosting with Power Editor

I have always worked with Facebook Ads using the Ads Manager and Power Editor. I recently checked out the videos fbqueen created for the AMC course where she recommends creating page posts from within Business Manager, noting down the post ID, then “boosting” the post via Power Editor rather than creating an ad in Power Editor.

This makes good sense, i.e. to carry over engagement signals, however, upon trying to create “Page Posts” from within Business Manager, I noticed Facebook no longer ...