These are often available from for some faster programs like. The benefits of running Adobe PC software is free and compared to many of the form compatibility and the option source and that is Adobe. Otherwise, take a look around the app store Foxit's free PDF reader.
It's only available as a bit download. Still, there are many different free PDF readers available and many are choosing not to use Adobe. If you want full compatibility with all versions of PDF documents, then the only original PDF viewer is from the source and that is Adobe.
