The Americas should be handled with a country-by-country mindset. Local platform behavior, validation rules, and exception feedback can directly affect billing, receiving, reconciliation, and finance closing.
For SAP-centered enterprises, the first design question is not only how to send an invoice file. It is how the invoice status returns to the business process, how rejected documents are corrected, and how finance users see the operational state.
Useful first tags include United States, Mexico, Brazil, and Chile. These countries are better handled as article tags at the first stage, while the region page provides the stable navigation entry.