Yes. A PDF file is a specific file type. Soda PDF is an application that works with PDFs. Anyone who does not have Soda PDF will be able to open PDF files you create with Soda PDF as long as they have an application that can view PDF files.
Soda PDF offers a Free account that allows people to view PDFs free of charge. You can use our online Web app or downloadable product. If someone needs an application to view PDFs, they can sign up here.
If you don't have Soda PDF yet, you can purchase it here.