Hello,
I'm not a specialist either and I use Linux, but I think it's possible, at least after configuring the system with a standard screen. Under Linux you have to be careful how you interface, either directly in USB-C on an "intelligent" port or in USB-A but the driver is then not very efficient.
Hello, not a specialist either.
Can be used as a main monitor. If you don't need 100% mobility, it makes more sense to buy a regular monitor at this price with a larger screen area and resolution.
Hello,
I'm not a specialist, but I don't think so. But it is rather a screen of prolongation of its office, you can work once connected that on this one (of the remainder the return of the colours and better than that of my surface).