What happens to them afterward? Do they get a permanent residency just from operating that venture for 3.5 years? (Do they need to pass the point-based qualifi

What happens to them afterward? Do they get a permanent residency just from operating that venture for 3.5 years? (Do they need to pass the point-based qualification as well to get the visa in the first place?) For the US, small business investor-entrepreneurs typically use an E-2 visa but it is non-immigrant and they need to leave the country when the business stops operating.