...

• When admins update information of products in QuickBooks pagein Magento store, data will be automatically synced automatically in Magento 2 and vice versain QuickBooks Online. 

• When an invoice is created in Magento 2, this invoice will be synced automatically in QuickBooks page and vice versa.

•  When admin or the customer edits any data about the information account in Magento 2, this data will also be changed and updated automatically in QuickBooks page and vice versa. 

...

Update

• When a new update is available, we will provide you with a new package containing our updated extension.
• You will have to delete the module directory and repeat the installing steps above.
• Flush the config cache. Your store and newly installed module should be working as expected.

...