It’s not uncommon for people to need to view PDF files since it’s a very popular file format to share information without the risk of any changes being made to the document. The PDF Reader is a reference app that allows users to open and view PDF documents. However, it's supported file formats are not limited to PDF. It can also open ePUB, RTF, XPS, and more. It also has dictionary support that lets users look up unfamiliar words by tapping them. If you’re in need of a simple e-reader, the PDF Reader is a good choice to check out.