Symptom
You wanted the Product description of the products of your documents to appear in desired language but currrently you see English.
Environment
SAP Business ByDesign
Cause
Currently its known that Product Description appears as per log on language of the user who is creating the document.
If you are using SOAP UI then you need set up the language in SOAP UI before uploading the document.
If you are using any other tool ensure you change the log on langauge before uploading the document.
Resolution
Log in to SOAP UI and follow steps to reach the request screen where you would enter the XML.
Click on button 'header' that is highlighted in below screen shot
Click on Add (+ symbol highlighted in below screen)
a small pop up will appear
Enter"accept-Language"and click on save as highlighted in below screen
Enter the code of your desired language, for example language german- DE refer below screen shot.
Continue every thing else as normal.
See Also
2735797 - Product Description appearing empty or wrong in any purchasing documents
Keywords
Language of technical user , KBA , documents uploaded via webservice , SRD-SRM-PRO , Purchase Requests and Orders , Problem