Bing found the following results
PDF reader: The original PDF solution | Adobe Acrobat Reader
Opening PDFs, Adobe Acrobat
PDF Reader Online - View, Open and Read PDFs Online - Smallpdf
Adobe - Download Adobe Acrobat Reader
Download Adobe Acrobat Reader: Free PDF viewer
12 Best Free PDF Readers for Windows and Mac [Updated]
Opening PDFs in Word - Microsoft Support
Basic Computer Skills: What is a PDF File? - GCFGlobal.org
Save, view, and search PDFs, Adobe Acrobat Reader
PDF Viewer - Open PDF File Online for Free | Jumpshare