No, the notary must witness the signature. The notary's role includes witnessing the signing of documents and must not use the seal if they were not present at the signing.
The notary should correct the error by issuing a new notarization and inform the parties involved.
Refuse to notarize the document. If a notary suspects coercion or lack of understanding, they should refuse to perform the notarization to ensure that the process is voluntary and informed.
A notary must remain neutral and not have any personal interest in the transaction or the parties involved.
The notary should refuse to notarize and report their concerns to the appropriate authorities to prevent fraud.