Yes. Do the following:

1. Tap on observations in the bottom right corner

2. Tap on the plus sign

3. Choose category, write a comment, take pictures and choose a level and sector if this is included in the project
4. Tap on Add

NOTE! You can return to positive observations during the round by clicking on observations in the menu at the bottom and see the list of all positive observations you reported there. You can also click on one of the positive observations if you would like to edit any information about it.