Thanks for reaching Microsoft Community. You can project your Surface Pro 7 as an external display using a cable. I would like to share that you can do it wirelessly though, it will be through Miracast. Kindly check this page to get an overview on how to Connect to a projector or PC. I hope this helps.
The only relevant parameter is the DisplayPort support. DisplayPort (1.2 and later) support MST. MST is used to control multiple displays from a single port. Just look carefully at the monitor setup in Windows, maybe you just need to Extend the desktop to the other screen. When I connect the thunderbolt 4 dock to the Asus laptop, in Windows it A USB-C hub monitor will remove numerous cords from your desk. Instead of connecting peripherals to your PC, you can connect them to the monitor, which then connects to your PC over USB-C. . 436 285 453 283 246 474 478 391