Run the GreenLight process across multiple documents with the (GreenLight Run menu > Run GreenLight on Folder).
If you have documents open you will be prompted to first close them before running this command.
Navigate to a folder on your Mac to run GreenLight on all InDesign documents within. InDesign documents can be within sub folders.
Each InDesign document is then opened in turn, the GreenLight process run and the document then saved and closed.