You can PHOTOCOPY the original, long form, vault copy birth certificate,
OR
You can get the State to certify various facts that are contained on the original, long form birth certificate.
There are various degrees of complexity, of these certificates, not all are enough proof, for other legal or governmental authorities.
"You can PHOTOCOPY the original, long form, vault copy birth certificate,..."
I get you now. Yes, you can photocopy the original. Just as long as the certified seal shows up it will be accepted. I have done this with Death Certificates.