A watermark is a semi-transparent image that usually contains a logo or seal to identify who created a document or image. If you want to watermark a PDF file, you can either insert the watermark into ...

Adding a watermark to a company-related document helps ensure confidentiality or prohibit others from stealing the material. In addition to creating a watermark that consists of text, many programs ...

If you already have a PDF that you’d like to sign, double-click on it to open it in Preview. Then click on the Pen icon near the top right, select the Sig icon, and choose “Create Signature from Built ...