Maximum page size for saving a PDF from Illustrator
By Chris Breier The maximum page size for saving a PDF from Illustrator is 200 inches. The maximum artboard size is 227 inches, which means that documents can be created in Illustrator that can't be saved as PDF's. If you try to save a file that is greater than 200 inches in either direction as a PDF, you will be greeted with the following error message: