Following are a couple of Microsoft documents that speak to Windows 7 Embedded and .Net Framework 4.8
and
Microsoft's support policy for The NET framework can be seen at https://dotnet.microsoft.com/en-us/platform/support/policy/dotnet-framework. It states "Beginning with version 4.5.2 and later, .NET Framework is defined as a component of the Windows operating system (OS). Components receive the same support as their parent products, therefore, .NET Framework 4.5.2 and later follows the lifecycle policy of the underlying Windows OS on which it is installed." So the Microsoft documents referenced earlier are more relevant to compatibility with Windows 7 embedded as opposed to support for which there is none since Windows 7 embedded has passed its end of life. With respect to VS2022 -