Yes! Please see the steps below on how to add Timeline notes for an order.
Note: Not to be confused with adding or editing Customer Notes or Internal Notes. The Order Timeline records actions taken on an order and is located at the bottom of the Order Detail page.
1. Go to the Orders tab and click on the Order ID on which you want to add the Timeline comment.
2. Scroll down to locate the Order Timeline. Select Add a comment to add a note to the Timeline.
3. Type in your note in the modal window that pops up, then click on Add comment to save the note.
4. You will now be able to view this note in the Timeline section.