What does it mean when I mention a business partner in sponsored content I share?
Certain accounts can mention a business partner when they share branded content as a post in feed or in a story. This means that they have a commercial relationship with the business partner that's mentioned, and that they were compensated in some way for the post. People will see Paid partnership with... above these posts.
Branded content is different from ads you see on Instagram.
If you're posting branded content the read the Branded Content policies.