A strong app for scanning documents into PDFs and reading PDFs is here Resume Builder and pdf Maker. The introduction to the function is provided below.

pdf creator
You can directly capture photos, scan documents, or choose album images as PDF-making materials. The PDF Viewer application is the best if you want to support low capacity reading PDF apps, open PDF files rapidly, and enable document searching. Users can examine all PDF files via the file manager, a downloaded PDF file, or the application itself thanks to an intuitive user interface.