WES2009 is already EOL: https://learn.microsoft.com/en-us/lifecycle/products/windows-embedded-2009. Usually, EOL means end of ship, but you can ship replacement units. In the past, some companies have purchased licenses, but for anything beyond the EOL date, you would have to get a special permission from Microsoft.
This is a technical forum and not the right place to address licensing / legal questions. Your Microsoft distributor can answer these questions directly.