QuickBooks users can access and view the data even if they're logged in from a different country, UnaYang.

Just make sure they're using a compatible browser and the computer or device they're using meets the minimum requirements for QuickBooks Online.

The complete list of requirements, including the list of compatible browsers, are listed in this article: System Requirements for QuickBooks Online, QuickBooks Online Accountant and QuickBooks Self-Employed.

I'd be glad to visit this thread again if you have follow-up questions.