PO Destination type Expense not working in LCM ??

 HI ALL, BASED ON THE LCM BASIC'S IT IS WRITTEN OVER THERE THAT IT CAN ONLY SUPPORT THE INVENTORY ASSET ITEM MEAN ONLY PO DESTINATION TYPE "INVENTORY". SO IF WE HAVE IMPLEMENTED THE LCM THEN WHAT ABOUT THE EXPENSE ITEM MOST OF THE TIME WE ALSO NEED THE APPROVAL FO THEM THEREFORE IN THIS REGARD WHAT WE DO THEN ??

I HAVE OBSERVED IN CASE OF EXPENSE ITEM THE PO IS NOT GOES TO APPROVAL AND GIVE THE MESSAGE OF ERROR ?? 

KINDLY HELP ME IN THIS REGARD 

THANKS 

Regards 

Breath