The B is a non-immigrant visa but you can get PR on it. Work Permit and tax for 3 years I think it is. I qualified in 2022 but did not see any advantages in PR. My tax bill woukd have gone from 15% to 35% :-)
In Cambodia his kids put a notice on one of the bedroom doors saying "Uncle Greg's Bedroom -VIP" lol. They are older now. The residence was not as big last posting. I had to use one of their bedrooms. They are not going with him next posting though as at boarding school now.