Amazon charged for ads and FBA but my account have been deactivated. I am curios why this happened as I don't have any activity. Please help me to stope charges.

my products have 2 reviews should I run ads now or not yet I get only a very few sales a week but not a lot any suggestions

Our class II medical device (as categorized by Health Canada) has been selling on Amazon for over a year. We have also been using Amazon ads for over a year. Then, suddenly, about 2 weeks back, amazon ad campaigns for the said medical device were stopped by Amazon claiming non-compliance to their Ads policy (https://advertising.amazon.com/resources/ad-policy/en/sponsored-ads-policies). I have thoroughly reviewed their ads policy and cannot figure out how we are non-compliant. Additionally, our competitors who have highly similar product to ours are able to advertise! This is so unfair to our company.

We have submitted multiple appeals to Amazon. They keep on saying that we are non-compliant, but do not provide any details as to exactly how we are non-compliant.

Finally, I wonder if our product may have been misclassified as 'professional-use' medical device. Does anyone know what criteria Amazon uses to classify products as 'professional-use'? Our product is a non-prescription product.

Any thoughts or helpful suggestions?