In order Learn how to view and add new comments to an existing Jira ticket.
Follow these steps:
 1. Go to the Issue you want to add a comment to.
2. Scroll down to a certain issue, all you need to do is click on the comment icon on right top of the screen. Afterward, a screen will open allowing you view/add commentadd a new message
3. A pop-up will appear with various options
4. Choose what you'd like to include in the comment, and send
5. You can even record a voice note and include it as a comment



