How to edit PDF File 
If you Searching for a PDF editor instead of adobe acrobat pro. PDF-XChange editor is yet another smallest, fastest and most feature-rich free PDF viewer/editor for you. Basic features included create, view, edit, annotate, OCR and digitally sign PDF files. Overall, mroe than 60% of the features do not require a license to use, which mean FREE to use!
It can be used to create PDF files from scanned documents, images, text files, Markdown files and much more. This software can also be used to convert Microsoft Office documents into PDF** . These tools make editing PDFs a finely-tuned, precision process that produces documentation and image files of the highest quality. Their user-friendly functionality is diverse enough to meet the needs of all practitioners from novices to professionals. Check their video below!
On the other hand, PDF-XChange Editor Plus consists of the creation and editing of fillable forms and the creation of customisable dynamic stamps.