by using certificate security possible or not
Yes, certificate security would allow you to have different access methods for different people – since they would use their own certificates instead of simple passwords.
thanku .but my pdf file not showing tools->protect->protect with certificate
I assume you have Adobe Acrobat Pro and not just Acrobat Reader, yes?
yes i have Acrobat Reader
Reader doesn’t support ADDING passwords. You need Acrobat Pro to do that.
thanku soo much sharing ur value information