I see similar questions and the answer is yes.
E.g. this post:
License GroupDocs - Free Support Forum - groupdocs.com
However, I’ve noticed that it works in most cases, but for GroupDocs.Metadata.NETFramework, I’m get…...FileFormat : Unknown Error: The file format is not supported at the moment...of type 'GroupDocs.Metadata.Formats.Audio.MP3RootPackage' to type...