Even though your ad may start delivering, it can be subject to multiple levels of review and later be disapproved. One example is if your approved ad receives an unusually high number of negative feedback, such as people marking your ad as spam or hiding your ad.
We set up "compliance" reports in Google Data Studio, so we can be proactive in checking our work and we can act to address signals before Facebook editorial team does.
We'll be looking for signals to do with quality, engagement, conversion, CTR and frequency.
A surefire way to piss people off is to continually show the same ad over and over again and hammer them. It's one of the reasons we like dynamic creative ads, because the ads are mostly different.
It's important to note though that when you use dynamic creative, you lose the signals in respect of quality ranking, engagement rate and conversion rate, because it's not just one ad.
Grammar and Profanity
Geographic IP restriction
Web Of Trust
Disability or medical or genetic condition.
But just assuming the ban is an error on the part of Facebook and that you have done nothing wrong is naive.
If you don't do that then you could lose your entire business because of one rogue, persistent offender on the client side.