Solved
I think you may be referring to this functionality:
(According to this note, only available for organizations on the new Ultimate plan https://experienceleague.adobe.com/en/docs/workfront/using/product-announcements/product-releases/release-24-q3/24-q3-administrator-enhancements )

Enter your E-mail address. We'll send you an e-mail with instructions to reset your password.