Creating a PDF file, you must first create the documents in any application software, and then takes the stage 2 is to convert to a PDF file of material data using the conversion software free of charge / fee.
You should have some how to make use of the software with a PDF file editing functions, such as Adobe Acrobat, and shapes that you add a blank character in the file, but is not common.
Rather than a PDF file the original, it's an order to pass the electronic document as appearance that the author intended, also look at the instruction manual conversion software described above, the "create", "Convert the data that is made in advance feature called "has become the second to first.