Document Reader and Document Manager: Powerful office viewer app! This is a smart office file reader application that helps you open office, read PDF and read all documents. The all document viewer app helps you to open all file or view any document on your mobile. No need to open the computer, only with your mobile, Document Reader can manage all files and read all documents in PDF, PPT, XLS, TXT or WORD file format. Why should you choose our all document opener app ? ✔️ Easy to use. ✔️ No i