Virtual Desktop now supports multiple monitors, including virtual extra monitors. But how many you can use at once depends on your headset.

How many monitors are supported depends on the headset. Meta Quest 3 is the only headset that can support 3 monitors at once. On Quest 2, Quest Pro, Pico 4, Pico Neo 3, Vive Focus 3, and Vive XR Elite only 2 monitors are supported.