Good day, @kaseythomas-tnr.
We're unable to provide access rights for a specific function such as downloading invoices only. I agree with what Test2GoLLC said. The least access rights you can give is the Standard user limited to Customers.
Here's how:
- From the Gear icon, select Manage Users.
- Click Add user.
- Choose Standard user as a user type, then click Next.
- Select Limited and then place a checkmark beside Customers.
- Read what can the user do and can't do, then click Next.
- Select user settings and then click Next.
- Enter the name of your tech person and email address.
- Once done, click on Save.
The new user will receive an email that he/she is invited to access your company file.
For more details about managing your users in QuickBooks, you can check out this article: Add, Delete, or Change User Access.
I've also included an article wherein you can learn more information about the different user types and levels of access in QuickBooks: User Types in QuickBooks Online.
We're always here to help. Your success with QuickBooks is our top priority.