This is most likely a torque converter issue. What happens is the clutch in the torque converter engages once you get to the proper speed and then it is not releasing and when you come to a stop, the engine stalls just like a manual transmission does if you don't put the clutch in.
Let's put the vehicle in neutral before you get to a stop when the engine has not stalled and see if the engine still stalls when you get to a stop.
If not then I would expect the converter is the issue.
If it does then we most likely have an engine issue so we are going to need to start running through this guide to get started:
https://www.2carpros.com/articles/engine-stalls
Below you will find additional testing for the torque converter but shifting to neutral and then coming to a stop should get us the info we need.
Let me know what you find and we can go from there. Thanks
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Wednesday, July 7th, 2021 AT 5:17 PM