You can categorize your orders into B2B, B2C, and PoS categories to help with your reporting. From your inventory management data source, click on Inventory, then click on 'Configure B2B/B2C/PoS Orders':
From this section, you can click on Create Filter and create one or more filters to define whether the order is a B2C order or whether the order is a PoS order. If neither set of filters evaluates to matching, the order will be categorized as a B2B order.
Once configured, any prebuilt reports displaying B2B/B2C/PoS data will automatically update accordingly. You can also use the B2B or B2C field from the B2B or B2C folder in your custom reports: