watermark pdfs

Now many friends add watermarks to their pdf documents, so there are many types of watermarks, which can be file names, personal signatures, product pictures and network addresses, etc., so as to ensure the security of document content At the same time, it also increases the exposure of the company

Do you often see that some PDF files used by companies for publicity will carry some watermarks, mainly for publicity, and to prevent the content of PDF files from being misappropriated by others. Watermarks are indeed quite a tangled existence for a PDF file. If you add it, it feels s