Well, I think what you’re describing in this post is different from what I want to do. I could share photos to FB by starting on Amazon (as described above). But what I want to do is share my own blog post that contains AA images. I don’t want to simply offer folks a chance to buy a book I recommend, I want them to read my post about a book I recommend. (And in the post, they can click through to Amazon to buy the book if they want.)
The publisher ad server then communicates with a supply-side platform server. The publisher is offering ad space for sale, so they are considered the supplier. The supply side platform also receives the user's identifying information, which it sends to a data management platform. At the data management platform, the user's identifying information is used to look up demographic information, previous purchases, and other information of interest to advertisers.
We’ve come across many well-meaning marketers and entrepreneurs who create personal profiles for their brands, instead of an actual Facebook Business Page. That puts you at a huge disadvantage -- you’re missing out on all of the content creation tools, paid promotional opportunities, and analytics/insights that come with a Facebook Business Page. Plus, a personal profile would require people to send you a friend request in order to engage with you, and the last thing you want to do is make that more difficult for customers.