The Administrator's workbench (AWB) is used by administration officers for setting up CA-unique configurations. For example, these tasks are managed in the AWB:
Initiate creation of CA keys and CAs
Implement CA policies, defining how certificates should be issued, etc.
Configure distribution rules for certificates and revocation lists
Manage officer roles and define officers
Audit functions: read request log and CIS log
See these articles for more information about AWB.