Advantages and disadvantages of enabling intercompany relationship vs normal supplier customer model

Summary:

Hello Experts,

Is there any list of Advantages and disadvantages of enabling intercompany relationship using SFO vs normal supplier customer model

when there are business units across legal entities ie., one in USA and another one in EU.

Content (required):

Is there any list of Advantages and disadvantages of enabling intercompany relationship vs normal supplier customer model

when there are business units across legal entities ie., one in USA and another one in EU.

For example USA selling goods to EU business unit , Registering EU business unit as just another customer in USA business unit

and proceed with sales order