Some of the Regulators will ask the documents to be apostille. In that case you have to check with your Company secretary or local govt body to get the apostille of the document then send that to us for further processing.
Example for
Indian entity you can refer https://esanad.nic.in/
Hong Kong https://asiabc.co/services/value-added/document-certification-legalization/
United Kingdom https://www.gov.uk/get-document-legalised
Singapore https://legalisation.sal.sg/