As far as we know PDF Reader supposed to run on the Nokia Lumia 520. We compared the apps hardware and software requirements and it looks like this app is compatible with the OS runs on the Nokia Lumia 520 and this device meets the hardware requirements to run PDF Reader.
Please note, that despite all of our efforts to provide you correct information about this application we cannot guarantee full compatibility due to hardware manufacturers often incomplete or incorrect specifications.
The global standard for reliably viewing PDF documents
PDF Reader is trusted leader for reliably viewing and interacting with PDF documents across platforms and devices. Install the PDF Reader mobile app to work with PDF documents on your Windows Phone.
1. Quickly open PDF documents from the web
2. Search text to find specific information
3. Select single page or continuous scroll modes
4. Easily zoom in/out on text or images for a closer view
5....read more about PDF Reader on the detail page