NewSharePoint · Microsoft 365
SharePoint: eSignature for Microsoft 365 - Recipient groups
A new recipient groups capability for eSignature in Microsoft 365 will allow multiple people to be assigned to a single recipient slot, enabling any group member to fulfill signing requirements on behalf of the group.
Microsoft's description
Recipient groups in eSignature allow a recipient slot to be assigned to multiple people, such that any one of those people can fulfil the signing requirement on behalf of the group.