Dear sir
I am a professional photo editor. I have been working on this for a long time. If you have any important text photo documents and you need to edit it. Where any important person is sealed and signed. If you need to edit it, I can do it.
What is your benefit?
It will save time and give time to any other work.
You can save money for the document.
Free from the tension of not seeing that important person.
etc.