There are two operators that can be used to notify users in PAM when the Service Desk Content is loaded: Notify Contact operator and Send Email operator.
The first one is from Service Desk Content and the second one is in PAM itself. This tech doc answers the question which operator can send email in html format.
Is there a way to embed html for email notifications in PAM using the Notify Contact operator?
ITPAM integrated with Service Desk
Currently "Notify Contact" integration operator does not support html format. However, the Send Mail PAM operator has a checkbox to send the message in html format. Here is the help on that: