If so, you need SAP Universal ID. In a few months, SAP Universal ID will be the only option to login to SAP Community. Without it, you will lose your content and badges. If you have multiple accounts, use the Consolidation Tool to merge your content.
I've to save as PDF file AR invoices, I know there's no problem to do this with SAP 2007 SP00, anyway my question is: is there a way to automatically assign the document number as the file name?