There are several reasons

There are several reasons
1. You are new admin (please make sure admin login and keep ad account > 7 days).
2. Bank card BIN problem
3. Your IP has a problem
4. Your computer (MAC address) has a problem
5. There is a problem with page, pixel, ...
6. Image, text, video problem

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There are several reasons
1. You are the new admin (please make sure to login as admin and keep the ad account > 7 days).
After you buy a Facebook profile, you log in, connect to the ad account. Next, you add your bank card to that account
Result: Your account is disabled due to failure to verify your account.
We usually call it error 792, at this point you can only use this link to appeal, and the success rate is very low, often rejected.
Link: https://www.facebook.com/help/contact/391647094929792
Reason:
Because the bank card + ad account information (country, currency, time zone) is not the same country. Make the AI think you just hacked this account by trying to use it before the actual owner of the account recovers.
2. Bank card BIN problem
The first 6 numbers printed on your card, often called the BIN. Fb always has rules about this BIN.
Some BINs after adding will have thresholds: 2$, 10$, 25$, 50$
Hacker or BlackAds they abuse these 6 BIN numbers to create ads and use up the above threshold and get rid of the ad account.
Or that BIN head runs ads for big bucks, 900$, 1500$… and they don't pay them
…
In large quantities, often causing AI FB to evaluate abnormally and you using a card with this BIN will be disabled immediately or the ad works but does not reach the target audience.

3. Your IP has a problem
- you logged in too many profiles
- use this IP to run ads and have too many accounts, pages, .. disabled
- Your IP accidentally blacklisted
…
4. Your computer (MAC address) has a problem
- Your MAC address is permanently stored by FB. Same as IP address
5. There is a problem with the page, pixel,...
Please check the quality of Page, Pixel
6. Image, text, video problem
Check out the image: copyright, famous brand, sexy, …
Text: do not use obscene words, famous trademarks, pornographic, sexually suggestive, etc.
Video: video quality, video content similar to text, images
=> Conclusion: You must always comply with Facebook's advertising policy, or if you want to circumvent the law, you must understand FB's advertising policy very well.
Learn more here: https://www.facebook.com/business/learn