Webi Restful SDK XLS Formatting Issue

I have a customer requirement to generate XLS files per webi section page breaks to meet the requirement to split each business units into seperate XLS files.   This allow me to download the XLS using the request below.

/biprws/raylight/vx/documents/{documentId}/pages

The problem arrise if there number of records going to exceed the A4 (page layout format).   We tried to format the report layout where its configure into 1 page or use legal page format but the pages still splits.  I notice the below SAP Note which explain this issue has been addressed inBI4.1 SP4 (which is version my customer is on).  Yet this is still not working for Excel.  

1991147 - When exporting a Web Intelligence document using RESTful
SDK, the resulting document does not render the same way as when exporting from
the Web Intelligence Rich Client

Other workaround I consider is using with widthScaling; heightScaling along with mode=normal.  BUT this does not work for the customer as using this removes the WebI section page breaks that we needed to split the page when we designed\needed to create the XLS file.  With wScaling, we are getting the full page.