How inter company option can benefit an organization in Dynamics AX 2012 R2?

In AX, inter company accounting helps us in making a single entry, which will in turn post multiple companies. MSD AX provides features to help us set up the system, process transactions and trace inter company transactions. Intercompany accounting provides ledger transactions for companies that transact with each other, including the appropriate due to / from transactions; however, intercompany trade is done through sales order or Purchase order documents only. However, Intercompany reconciliation to be done manually with no other automatic solution to this.