Notary for documents - required or not? ACS guide does not mention

Hi @anil_am22 ,
Thanks for all your help here.
I was going through this page - Australia PR Certified Copy or Documents Notary - Australia
It mentions " You need certified or notarized copies of all your education and work experience documents for your ANZSCO code‘s assessment."

According to ACS Skill migration guide (version Apr 2023), this is only for Statutory Declaration or Affidavit.

Could you or someone please clarify if it is really required for all the documents?
Thanks a lot in advance!