A Notary Public is a public servant appointed by the State to act as an impartial witness in taking acknowledgments, administering oaths and affirmations, and performing other acts authorized by state law. Notaries lend credibility to the authenticity of certain sensitive signed documents. A notarized document lends assurance to the public that it’s signer is the person who signed the document – and to the signer that the document they have signed will have full force and effect.