\documentclass{article} \usepackage{docassembly} \usepackage{lipsum} \hypersetup{pdfpagemode=UseNone} % Look in the Adobe Acrobat JavaScript manual under the addWatermarkFromText to see all the possible parameters. \begin{docassembly} \addWatermarkFromText({ cText: "Confidential", aColor: color.red, nFontSize: 72, cFont:font.HelvB, bOnTop:false, bOnPrint:false, nOpacity: 0.2, nRotation: 45 }); \executeSave(); \end{docassembly} \begin{document} \lipsum[1-30] \end{document}