Ursa Major Solar (UMS) has business and person accounts in its Salesforce org.

Two considerations for creating partner users and granting access areB and C. Partner users are external users who access your Experience Cloud site through a partner account. A partner account is an account that has the Is Partner checkbox enabled. To create partner users and grant access, you need to assign them a license type and a profile. Two license types that are suitable for partner users are Partner Community and Customer Community Plus. These license types allow partner users to access standard CRM objects, such as accounts, contacts, leads, opportunities, and cases, as well as custom objects and tabs. They also allow partner users to use roles and sharing rules to share records with other users.