Yes or notoriety my not exist
It would be better for a third party to notarize your legal documents. Since you haven't explained the nature of the documents that need to be notarized it may be that having a family member sign the acknowledgment could make them vulnerable to challenge in the future.
Many jurisdictions require that a will be notarized. Check your state requirements.
Only if he is an actual notary. Being a doctor does not grant that authority.
To notarize as an attorney-in-fact, you typically need to present the power of attorney document to the notary, along with your identification. The notary will then verify the document and witness your signature as the attorney-in-fact on behalf of the principal. Make sure to check the specific requirements in your state for notarizing documents as an attorney-in-fact.
Collective nouns for documents is a dossier of documents or an archive of documents.
printing documents...
Yes, collective nouns for documents are a dossier of documents or an archive of documents.
transport documents are the documents that is proof of carriage goods
Provided it meets legal definitions, yes. see links below
Travel documents are passports, identity documents, and VISAS (if necessary).
they are documents of faith.