With PDF Editor Pro, you can directly edit and annotate text, images, forms and more from PDF files. Scanned PDF is editable as well.

Video Demo:

https://www.youtube.com/watch?v=t57-vhZFWX0

PDF Editor Pro
> Create new PDFs from web pages, images and text (.rtf, .rtfd, .txt) files
> Effortlessly add, delete or edit any content, including text, images and watermark
> Convert PDFs to multiple file formats, like Word, Excel, PowerPoint, Text, HTML, etc
> Works with image-based or Scanned PDF files