An apostille is a certification that the document is authenticated by the proper government authority and is attached to the document. People who want to work abroad need apostille documents since they need permission from the destination country's consulate in order to do so. People in employment should understand the significance of apostille in particular because they may require Hiring Documents apostilles at some time in their careers.
If the employer is from a country that is signatory to the Hague Apostille Convention, you will require apostilles. A notary commissioning agency or the Secretary of State office typically issues apostilles. For instance, you must have your diplomas, transcripts, certificates of good standing, and identification documents certified if you are a foreign national and want to work in the US.