For us working in the workplace, PDF files are the files we often have to contact. In many cases, PDF files need to be converted into various file formats to meet the needs of our work. I don't know if you have encountered it, what should we do when we encounter a PDF file with a water

PDF is one of the most frequently used documents in our office. Although it cannot be edited, it has unique advantages. It has a high security factor to protect the confidentiality of advanced documents, so that many office workers like to use it. Many people are troubled by what to do