Using a notary public can help lower the risks of doing business, Low Cost, Helps Prevent Fraud and Can Help in Collections.
The official signature and/or embossing stamp automatically makes a document 'true and legal'. The truth is, a notary public cannot give legal advice to anyone, only a licensed attorney.
A notary witness the signing of the documents and ask each party for a sworn oath of authenticity. The document itself could still be declared fraudulent or unenforceable later in court proceedings. A notary public can only attest to the identities of the signatories and their own affirmations of authenticity at the time of notarization.
Some examples of the kind of transactions that may require the services of a notary are: