Final answer:
Partner admin contacts generally have access to both their own and customer accounts, enabling them to manage personal settings and oversee customer engagements within an organization.
Step-by-step explanation:
The question pertains to the access privileges of partner admin contacts within a business or organizational context. Typically, partner admin contacts have access to A. Their own accounts and B. A customer account. This means that they have the capabilities to manage and make changes to their personal administrative settings as well as to access customer accounts they are responsible for. Depending on the organization's policies and the permissions granted, partner admin contacts may be tasked with overseeing customer engagements, handling account configurations and monitoring account activity, amongst other responsibilities.