No, no, and no. In California, all that’s required for a contract (which is what an operating agreement is) to be effective, other than for residential real estate contracts, is a signature. And if the contract provides for an alternate method of signature, like exchanging documents in PDF format over email so that the signatures don’t all have to be originals, then you can use that method as well. In smaller transactions, emailing PDFs can be very helpful, but the document needs to provide for it. Initialing each page, witnessing and notarizing may be effective in other states, and if done in California, can create confusion as to whether a document was agreed to at the outset.