The EU has a special status for people fleeing Ukraine right now (afaik including permanent residents, not only nationals) They get a temporary, time-limited right to stay (1 year, possibly extended to 3 years) and this includes the right to work and access to social services and healthcare. See https://ec.europa.eu/home-affairs/policies/migration-and-asy...

Job market in Poland is open to refugee workers and education system is opened to their children. They'll be even getting PESEL which is national identification number in Poland that citizens get.

Asylees in Norway certainly can get work visas, even before they get an answer to their asylum application. Bank accounts and temporary SSNs are also possible (and probably necessary) to get even before they decide if you get protection.