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

How to convert PDF files into pictures

How to use OCR in PDF

Get to Know the PDF Print Interface

How to encrypt PDF files

How to convert PDF files into documents

Edit text contents in PDF

How to add annotations to PDF files

How to highlight the content of a PDF file

How to insert a signature in a PDF file

How to use the read mode of PDF files

How to edit a picture in a PDF file

How to merge and split PDF files

How to insert attachments in PDF files