There are 16 free training skills of how to use office suite for PDF

How to crop a PDF file

How to print the notes in PDF

How to add hyperlink to PDF

Get to Know the PDF Print Interface

How to use OCR in PDF

How to edit a picture in a PDF file

How to use the read mode of PDF files

Insert comments in PDF files

How to insert attachments in PDF files

How to encrypt PDF files

How to compress PDF files

How to convert PDF files into pictures

How to convert PDF files into documents

How to insert or delete pages in a PDF file

Edit text contents in PDF

The Graffiti function used to mark in PDF