Hello, Bellesabi.
Perhaps I am simplifying your question, but for a few graphs, I simply do this:
9414_Screen Shot 2015-08-05 at 12.44.26 PM.png
Then press "Shift + CMD + N" [In a Mac] to open a New Script Editor, and paste the script, then save the script on a master document for further editing.
There is also the option "Save Script to Data Table", also useful.
I would love to know if there is a way to export as ".jpeg", in File>Export, I only see the following options:
9415_Screen Shot 2015-08-05 at 12.48.12 PM.png
-Jose