A PDF author or owner can put different restrictions on his/her PDF file. So, depending on the restrictions enabled on PDF, you won’t be able to copy the content of PDF document, open PDF without the ...

There are times when a PDF truly needs encryption—for instance, if it contains sensitive information and someone just emailed it to you (let’s hope they used another communications method to send you ...

PDF files are one of the most common formats used for sharing official documents, policies, medical reports, and financial statements. To keep such sensitive information safe, many PDFs are ...