Hi Christina, 
This seems to be to vague of a requirement to have a simple answer. As to the best of my knowledge there is no direct integration between PAM and Action Flows. So here is how I would tackle it:

Firstly I advice to be very specific on when exactly do you want to be alerted? aka when should a given action flow be triggered. If one case violate the target model? If more than 30 cases violate the target model? Or if conforming cases in total drop below 10%? You see there might be many different interpretations on “trigger alerts on deviations”.

If you gained clarity on that I would define PQL metrics on the exact conditions you want to be alterted for.

e.g. >30 cases with undesired activity a, or without a mandatory activity, or with wrong order of activities.

Lastly: you can set up one or more Action Flows.
Those PQLs can then be used to query and start an action flow.
I would setup an action flow to check e.g. once a day and filter based on any of the defined conditions are violated, then send e.g. an email.