Yes you can use them on your two pc's of course, but there are some wallets that are so worried about the security and for every movement of your pc, of even if you open your wallet with another IP they will start asking for ID verification, or some other security layers like 2fa, patrón, and so many other autenthicators, but anyway, there doing it just for our own security.
But in fact, you can open your wallet in wherever you want, so yes, it is possible.