The transaction PACG is for the Employee-Self-Service, and is called up in the SAP-Gui for HTML.
Insured persons (employees) can call up the PC online-reporting using this transaction and their personnel number. The personnel number must be linked to the user name in the Communication infotype (0105)
The transaction refers to the pension fund online-simulation. Maintain customizing in the appropriate pension fund IMG, under PC Online Reporting -> Modify Customizing Tables.