Saw someone on FB post something about this. These all appear to

5 Ways to Show Your Facebook Posts Only to Certain People

If someone tags me in a comment on Facebook, for example in the comment of a photo of a page, who can see it apart from the people who saw that page

Why Can't I Tag A Friend On Facebook - feedalpha

Got hacked, someone reported the post I think and now I can't log in. It won't let me click the links or the x : r/facebook

Do your Facebook friends know what you're reading?

Meta - How to Take Control of Your Facebook

How to Allow People to Share Your Post on Facebook

VIDEO: How to Hide Facebook Posts from Certain People

The processing and evaluation of news content on social media is influenced by peer-user commentary

Make Facebook Photos & Posts Private