If you use Process Governance and you are going to access Publisher exports via HTTPS connections, you must adapt the system manually.
Prerequisites
You have modified ARIS Publisher to be accessed via HTTPS.
Procedure
keytool.exe -importcert -file <pathToCertFile> -alias <certificateAlias> -keystore <ARIS installation path>server\jre\lib\security\cacerts -storepass <keystorePassword>
SSL is configured.