Yes, you will receive a notification when another task member adds a comment. You will see it in your notification center. You can access your notification center in Task View only, so please make sure you are in Task View by tapping on on the lower left hand corner of your screen. Then, tap the bell icon on the top right corner of the screen and you will see all of your notifications there. When you have new notifications, you will see the red dot on the Notification Center icon.