Hi there, mosumart. I can share some information about paying invoices in QuickBooks Online (QBO).
The option to pay invoices directly from an invoice using the QuickBooks Online Global version isn't available. However, you may look for a third-party application that integrates with QuickBooks to receive payments on your invoices. You may follow these steps to look for an app:
On the left panel, click Apps.
Go to the Find Apps tab.
Use the search bar to look for an app.
I've also included these resources to guide you in managing your invoices: