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Since the watermark has a certain role in publicity, identification and copyright protection, when sharing and exchanging some important or commercial privacy-related pdf documents, they will add watermarks to these documents, so that others cannot easily Going to use it, for adding watermarks, you

No one wants their works to be used by others. The best solution is to add a layer of watermark to PDF documents. So how to add watermark to large batches of PDFs? In fact, the operation is very simple, you only need a few steps to use the relevant software to easily get it, let's take