If you want to create copies of the same document with unique numbers, this script will help you. The number of tiles on each page.
Every tile has one number on it.
One of each tile. You should manually insert these variables to your document, with the Type menu Insert Variable text menu item of Pagestream. Leading string A character string, which inserted to the left of the number. How much pages do you want to print. Leading zeros will complete the serial number to the wanted length.