don't worry, there are tones of free PDF creators out there.
I recommend this: easy to use and the best thing is that they are absolutely free.
Download it for free:
http://www.download.com/PDF-ReDirect/3000-6675_4-10721006.html?tag=lst-6
--> This converts documents into PDF files
If you want something more fancy, you can try this: Universal Document Converter 4.2
http://www.download.com/PDF-ReDirect/3000-6675_4-10721006.html?tag=lst-6
--> This converts PDF, AutoCAD DWG, and Microsoft Word DOC to JPEG, TIFF, PNG, or BMP.