Conversion of part files to pdf file format

If you are looking for a way how you could convert partial downloaded file - PART to PDF document, then you can't find it, because it is not possible. You might try to rename part to PDF and see if you can open it, but it will be corrupted in most cases, or only parts will be watchable. Most likely you will have to re-download the file again as odds for successful part to pdf conversion are pretty low.

Open PART file    Open PDF file