Automated invoices are helpful when you use other tools and want to be able to send off your invoices in one step. With a Quickbooks Online integration, you can create your invoices in your project management apps and send your invoices in one go.
If you haven't already set up your Quickbooks Online Integration, read this article here.
In your Settings > Integration, you should see the "Automated Invoices" toggle as "on":
2. In your Settings > Notifications, toggle on the Invoice Reminder global notification as well.