Adobe Reader DC is one of the most popular free PDF readers. Over the years, this software has become the standard choice for sharing, annotating, viewing, printing, and signing PDFs. Compared with other free software available online, it can open a wide range of PDF content, including forms, tables, and multimedia. Additionally, the tool is compatible with other Adobe products, including Document Cloud; you can synchronize content on multiple devices. It has a simple and intuitive interface, making it easier to create, view, convert, and share PDF files.