Editing a scanned or non searchable PDF File or document searchable is that Possible? Yes of course.

For Simple Editing in Adobe Professional 11 or lower  follow below simple steps

      1)    Open the file using adobe 11 or lower recent versions

      2)     For Adobe 10

      We can convert the scanned PDF into Searchable PDF by using the option available in acrobat writer. Go to tools, then go to Recognize Text option and then go to In this File and click ok to convert the pdf.

     3)   For Adobe 11

                     Go to Tools-> Text Recognition-> In This File->OCR Options