If you use Mac:
1.open your .doc file in Microsoft Word
2.one the FILE menu, click PRINT, then click SAVE AS PDF
If you use PC
1. install Adobe Acrobate
2. you will find an icon in your word, which convert .doc to PDF
Should you still have trouble to convert a .doc file to a PDF file, feel free to send me your file, I will convert it to a PDF file and then send the PDF file to you.