My workflow: Every couple of weeks, an employee scans a couple dozen graphics-heavy documents, which the scan software (ScanSnap) automatically turns into a PDF and uploads to a company Evernote account. Then I go through and rotate pages on the (many) occasions that the software doesn't correctly detect orientation.
I used to just right-click on the PDF, select "Open" which launched Preview, scroll through and occasionally use Cmd-L or Cmd-R to rotate pages, then close the window. Done.
Now when I rotate pages, I get a message: "The original document can't be changed, so a duplica