All of JAMFs documentation will be in bash/zsh. If you are admining Apple products, its best to use a Mac. If you must use powershell, you will need to convert the commands JAMF gives you.
JAMF 300 goes in to API a little bit, and would be a good place to start. I you have access to JAMF training there is also some stuff in there.
Jamf 300 Course - Course Resources | Jamf
To pull all the device records you would use curl -X GET "https://{path to server}JSSResource/mobiledevices" -H "accept: application/xml" -H "Authorization: Bearer {long token here}. If I am not mistaken CURL would be invoke-webrequest in powershell, but its been a very long time and I am very rusty with powershell. Once you have the data just filter out the information you want.
