The Rebbe encourages a public siyum, as it benefits all and strengthens the mesayem. He clarifies that Kaddish d’Rabbanan is unrestricted but suggests confirming parental consent. He urges good resolutions, especially in Torah and mitzvot, influencing family with warmth.
https://www.torahrecordings.com/rebbe/igroskodesh/014/005/5149