How to track calls which were not in compliance?

What do you define as "compliance"? Depending on the definition, one way will be to see if Contact lens real-time/post-call rules can help detect keywords during agent's conversation with the Customer. You can also trigger actions like sending email/creating TASK based on these rules. Refer https://docs.aws.amazon.com/connect/latest/adminguide/build-rules-for-contact-lens.html