Many users worry about their content being stolen when using PDF documents, especially those containing important information. Therefore, setting PDF permission passwords has become a common requirement. To determine the document type, you first need to determine the type of document to determine which method to use to set the permission password. Whether a document contains sensitive information, whether modification permissions need to be restricted, and whether printing permissions need to be restricted are all criteria for judgment. The easiest way: Add an open permission password to open the PDF document, click the "File" option in the menu bar, and select…
2026-09-27 18:53:42