Importing Purchased Module Material in to Existing Campaign?

I have read where characters, handouts, etc. can be exported in to purchased modules if a certain level of membership is owned. My question is can it be done in reverse?  I have been running an original campaign on R20 for over a year now. I am thinking about merging in Storm Kings Thunder or maybe Tomb of Annihilation. I love all the handouts, maps, characters, etc. these modules offer here on Roll20, but, I want the transition to be seamless for my group. Meaning, I don't want to send them a new link to a new game (the module) when we eventually go down that path. I want to use the original game we are currently using, but, with the added materials these other modules provide.  Is this possible? If so, how?  Thanks! 

With a Pro Subscription, you can use the Transmogrifier to copy elements from a game based on the Module into any other game you have created. With a Plus Subscription, you can use the Character Vault to move monsters and NPCs from a game based on the module into any other game you are in which allows you to export to it from the Character Vault. With a Free Subscription, you are left with just creating a new Game based on the Module and inviting the other players to it. Talked about more here:&nbsp;<a href="https://app.roll20.net/forum/post/5510971/questions-about-tomb-of-annihilation/?pageforid=5511178#post-5511178" rel="nofollow">https://app.roll20.net/forum/post/5510971/questions-about-tomb-of-annihilation/?pageforid=5511178#post-5511178</a>

Thanks!&nbsp;