Scan all the documents you want to use for OCR and then start the Doxie application, make sure the Doxie scanner is connected. You see, PDF is a proprietary format developed by Adobe that has their little habits regarding practical automation to extract information from each file. PDF can be meaningful to change if you don’t have the right tools. Start PDFPen and it will automatically ask you to select PDF to open. You can only buy what is needed to improve PDF requirements. Evernote OCR is convenient, but even a simple mobile scanning application can provide similar support. OCR is usually very accurate, but there is no control over how OCR works. OCR detects text on web pages and allows you to select and copy text for other purposes.