See which wireless controllers are supported

Remote Mouse is the easiest, most effective way to turn your iOS device into a wireless remote control for your Mac. Although remote access through a local network would be most effective, since the closer you are to the device the quicker the connection, it's also possible from anywhere in the world, providing the network is secure and fast. If you've got an Xbox One and a Mac you might like this video. Basically, with a bit of software called onecast you can play Xbox One on your Mac via a strea.

Xbox Wireless Controller with Bluetooth (Model 1708)
Xbox Elite Wireless Controller Series 2
Xbox Adaptive Controller
Xbox Wireless Controller Series S and Series X

Pair a controller to your iPhone, iPad, iPod touch, Apple TV, or Mac

Press the Xbox button to turn on your controller.
Press and hold the Connect button for a few seconds to put your controller into pairing mode.
Follow the steps to pair a controller to your iOS or iPadOS device, Apple TV, or Mac.

How To Remote Play Xbox On Mac Computer

If your controller doesn’t connect or work as expected

How To Remote Play Xbox On Mac Windows 10

Unpair it, then pair it again. If you still can't pair or connect, get help pairing your Bluetooth accessory to your iOS device.
Make sure that you're not trying to connect too many Bluetooth accessories at once. Apple TV 4K and Apple TV HD support up to two of the same kind of controller at once, or one controller with a combination of Bluetooth audio devices. Other controller and audio Bluetooth limits vary by device.
Check that the firmware on your controller is up to date.
Some controller functions aren't supported when paired with an Apple device, including the controller's audio jack. Contact Apple Support for more details.