How to Set Password in PDF Document - Version 2.0 How to set password in PDF document; is this query alsobothering you? Try PDF Locker and set password in PDFdocument by putting either owner or user password. Thesoftware is an easy to use program to set password inPDF in simple and effortless steps. Using this Lock PDFprogram, users can easily know how to set password inPDF and protect PDF from unauthorized opening andchanging. The software can easily be used to setpassword in multiple PDF files in single go in groupmode. Now that you have understood how to set passwordin PDF document, its now possible to protect Adobe PDFfiles with all types or securities like copy, edit,print etc. Demo version of the PDF Locker softwareallows users to know how to set password in PDFdocument. After full satisfaction with the demo, getthe licensed edition only at $9.