The LumenVox Speech Tuner provides three types of licenses. The first is transcription-only, which only allows users to access the Transcriber tool.
The second is transcription and grammar testing. This license allows the user to transcribe audio, and a way to modify and test the grammar and run a test with the speech engine.
Attempting to launch one of the Tuner components without the proper license results in an error:

More information about licensing is available in the LumenVox licensing help file that is included with this product.