Can I send one-off invoice reminders and automated reminders?

Yes you can send one-off invoice reminders and automated reminders.

To send one-off invoice reminders, you can select 'Send reminder' from the Unpaid invoices tab and click on any customer.

To send automated reminders / enroll customers in a reminder campaign, you need to first define your reminder campaign. Here's how.

Next, you can select a customer or customers you want to enroll in a campaign from the Set campaign action in the Customers tab. Reminders will be sent out to these customers as per the frequency defined by you in the reminder campaign settings.