This can be set up for a project to monitor it for a period of time - time frame should be set up with the customer.
If the project crashes in the period of time where the monitoring has been set up, this will cause Azure to make a memory dump of the app, which can then be sent to the customer.
It is not our job or responsibility to analyze the data - this should be the customer who does this (i.e one of the other points which they should be aware of, before agreeing to this).
You can read more about what is actually done, here: https://azure.github.io/AppService/2019/10/07/Mitigate-your-CPU-problems-before-they-even-happen.html