A: Yes. If you buy Lost Odyssey digitally on an Xbox Series X|S or Xbox One, the digital license is region free. However, you cannot extract a "Verified ISO" from a digital download because it uses a different container format (XVC).
In emulation and backup communities, means the ISO has been checked against a known good dump (e.g., Redump or No-Intro standards) using hash algorithms (MD5, SHA-1). A verified ISO ensures: lost odyssey region freeiso verified