a movie that I own with my wife.
No such thing. Each digital purchase is linked to one individual Apple ID account.
- If you have Family Sharing with the Purchase Sharing option, then mention that.
- If you have Family Sharing without the Purchase Sharing option active, then mention that.
- If you both use a shared account (you shouldn’t), then mention that.
She is telling me that she needs to rent it on her end so that we can watch it together.
SharePlay syncs the playback, but each account needs to have its own access to the content.
SharePlay works with separate accounts, not one account on two locations.