If your account has multiple policy issues in the same country of sale, the review will apply to all issues for that country of sale.
They might be asking for personal information or other data about your business or finances.
A common pattern with some merchants is that they tend to ignore or not go the extra mile to get approved by Google.
Your account may have been flagged for spam, a copyright violation, or some other policy.
When it comes to advertising policies, Google is pretty strict.
In addition, Google is now using 3rd party tools to check your trust factor.