Many notaries use iphones to get work, run the business, create images, logos, etc. The camera has an important role: You can scan documents, take pictures, use specific business apps or software for the Notary business.
When you are ready with a picture, usually there is room for improvement and the iphone camera has some editing capability. To do more, just download and test the editing software available in the app store.
I will be reviewing a few photo, image apps with sample pictures. In the mean time you can start testing… Here it is a small list to start: