Hello notsavyy,
Yes, you'll need to set the multi-user on both computers so they can access your company file. You can use these links to know more about the multi-user environment:
If you're using or planning to use a hosting provider, you can ask the hosting provider's support to set up the multi-user environment. Here are the authorized hosting providers by Intuit:
We'll be right here if you have more queries about the setup.
