While Apple Books includes a feature for reading and organizing PDF files, it does have some limitations. This is especially important as sharing PDF files has become a normal online activity, with a huge number of PDF documents available on the internet for a wide range of purposes, for the simple reason that it can be read by users with different operating systems.Īnd while there are general all-purpose free PDF readers and free PDF editors, there are ones specifically for different operating systems, such as PDF readers for Windows, PDF readers for Android - and, of course, PDF readers specifically for the Mac and Macbook. Click the links below to go to the provider's website: