Add a stamp to a PDF in Adobe Acrobat
helpx.adobe.com › acrobat › usingSep 06, 2022 · To rotate a stamp, click it, move the pointer over the handle at the top of the stamp, and drag when the rotate stamp icon appears. To delete a stamp, right-click the stamp and choose Delete. To change the stamp’s opacity or the color of its pop-up note, right-click the stamp, and choose Properties. In the Appearance tab, set the opacity or color.