Tap on the item that you want to add the proof for
Tap the green button
3. Add comment, image and location
4. Tap on save
5. If you would like to mark items approved without proof, tap and hold on the item. The green button will appear and you can then choose to select multiple items and approve or mark as N/A at the same time. You can choose whether to mark the items individually or an entire category.
NOTE! These are the icons showing the approved items - the filled green icon shows for items with proof while the other is showed on items with no proof.