There could be many reasons... for example:
If you're working with an advertiser you can have your entire business manager shut down based on something THEY did, even if you're running compliant ad copy.
Are you working with other advertisers? Are there other people working on your account? It's ALL related now.
If you want more info, go watch our free policy & compliance training:
If you want a more specific answer to your unique situation, please click the "Get in Touch" link below this article and we can setup a time to talk.