Legal documents must be trusted to be authentic. They must be trusted by the public. When it comes to important documents and powers of attorney, clarity is essential. Notary Public is an official of public that has been trained to and certified in verifying the identity of the signatory. A Notary public will confirm that the signatory is able to understand the document and agrees to it. Notaries are trusted by institutions to ensure complete confidentiality of vital documents. After witnessing the signing, a notary public will apply their information such as their signature and seal. A notary public seal is a sign that the transaction has been authenticated.