You can leave it in the center if you want, but be aware that this will mean that it is impossible to erase and the signature will remain. You can place your signature anywhere you want on the page. For example, this image is created in the center of the page, but you can place your signature anywhere you'd like. A signature is a graphic made with a pencil. If you want a watermark, go to the Watermark section. Tips and Tricks for Blue beam Rev for Printing Watermarks I made this handy short video tutorial of the different features of Blue beam PDF Rev, the only PDF creator that comes with Blue-light! For a step-by-step example of how to make a custom stamp, see this tutorial. Click the video link to skip to the end. You can also create a watermark from a photo. It's all pretty cool, really. Blue beam Rev is really slick for creating custom PDF stamps and watermarks.