Step-by-Step Guide to Add Watermark in PDF Preview on Mac
1. Open the PDF file in Preview on your Mac. 2. Click on the 'Tools' menu and select 'Annotate' followed by 'Text.' 3. Type the text you want to use as a watermark, adjust the font, size, and color. 4. Position the text where you want it to appear on the document. 5. Save the PDF with the watermark by clicking on 'File' and then 'Export as PDF.' By following these simple steps, you can easily add a watermark to your PDF documents in Preview on Mac.