What Is a Notary Embosser? Let’s Break It Down. A notary embosser is a handheld device that presses a raised seal (also called an embossed seal) into paper. It’s not ink-based — instead, it creates a physical imprint that can be felt and seen at an angle. While it’s not required in every state, many notaries use an embosser to: ✔️ Add extra authenticity to documents ✔️ Help prevent fraud or tampering ✔️ Reinforce their professional image So while it may not be mandatory everywhere, having one in