He never technically said that was his stance, unless there is another email out there.
"—— I am not sure that all legal scholars refer to Roe as the
settled law of
the land at the Supreme Court level since Court can always overrule its
precedent, and three current Justices on the Court would do so. The
point there
is in the inferior court point."
https://int.nyt.com/data/documenthelper/269-kavanaugh-email-re-whether-roe/e6dbbda94dd204fe02af/optimized/full.pdf#page=1