No. The browser (which is the runtime that pwas use) is already a very limited environment with little to access to the system - and if the app wants to access something potentially sensitive, then the browser asks for permission. Even then it doesn’t have access to nearly anything that a native app can access.
I think they maybe have to be approved first so that people aren’t updating their apps with something malicious
So it is not as safe as downloading an app from the AppStore right?
No. The browser (which is the runtime that pwas use) is already a very limited environment with little to access to the system - and if the app wants to access something potentially sensitive, then the browser asks for permission. Even then it doesn’t have access to nearly anything that a native app can access.