@Balamurugan Narayanan Updating the offline discussion!
Presently Every file type is scanned (including archives like zip files) and a result is returned for every scan. The file size limit is 2 GB. We will consider your feed back in future, I would recommened to please leave your feedback here All the feedback you share in these forums will be monitored and reviewed by the Microsoft engineering teams responsible for building Azure.
https://feedback.azure.com/d365community
Please let us know if you have any further queries. I’m happy to assist you further.
Please do not forget to "Accept the answer” and “up-vote” wherever the information provided helps you, this can be beneficial to other community members.