Of course! To start, find your course by clicking on Teaching then Courses.
From there, click on the General Settings tab.
Scroll down to Communication and click on View Reminders beside Scheduled Reminders.
Enter the Subject, Message, and select the delivery date by clicking the field beside Delivery Date. You can also specify which learners will receive the message based on their course progress/history. Once done, click Schedule Reminder at the bottom.
You can view the scheduled reminders by clicking on the Scheduled Reminders tab on the top.