Add a stamp to a PDF in Adobe Acrobat
helpx.adobe.com › acrobat › usingSep 06, 2022 · Choose Tools > Comment > Stamps > Show Stamps Palette. Click Import, and select the file. If the file has more than one page, scroll to the page you want, and then click OK. Choose a category from the menu or type a new category name, name the custom stamp, and then click OK.