The Bill-To party cannot be included in the Sales Order Confirmation form template using the Adobe LifeCycle Designer. In the Data View of the Data Connection in the main schema of the form template Sales Order Confirmation the Bill-To party is not available.
SAP Business ByDesign
This is the current system behaviour.
The Bill-To party is not a part of form message type, we only pass on the following party roles in the form template:
Product Recipient Party
Employee Responsible Party
Sales Partner Party
To request a change in the existing behaviour you can consult KBA 2531827 - Functionality Currently not Available
KBA , AP-SLO-SO , Sales Order , How To