Do adventure supplements also provide map tiles?

I'm starting Lost Mine of Phandelver with a group.  I just use Roll20 to make maps and print them out for home games.  I have a very large group so I need to alter the maps to make room for more players and more enemies.  I've made my own map using free content based on the original map but if I purchase the adventure on Roll20, will I be able to use the textures in the map to expand rooms so it all looks the same?  I'm not really wanting to just say the whole map is twice as big.  I would like to keep some doors and corridors the same size.

Modules come with maps assets on the pages in the module.  The art is not added to your library, but they can be copied through a few means, such as using the module as a base for a new campaign, or using the Transmogrifier (Pro Subscriber Perk) to move the map, or adding the graphic as part a token for a character and using the Character Vault to move the character to a new game.

Perfect.  Thanks!