By default AppleTVs and Macs are not apired so work with any remote - even if that remote is paired with another device as the rewmote has no role in pairing apart from providing a code to identify it specifically.
By default AppleTVs and Macs are not apired so work with any remote - even if that remote is paired with another device as the rewmote has no role in pairing apart from providing a code to identify it specifically.