Connected account for second cardholder

My partner is a second cardholder on my Tesco credit card. Unfortunately Tesco does not provide access to the account (even a simple transaction list) to second cardholders.

I have added my card as a connected account in Monzo, would it be possible for my partner to do the same? Or maybe to “share” the connected account in Monzo?

Tesco would need to provide account access for your partner.