I have not used Analysis Office against HANA that much so I don't know of any work arounds
See Figure 6 here for Analysis Office with HANA plans for next release:
How ASUG Members Influenced Analysis Office (and Sneak Preview): http://scn.sap.com/community/businessobjects-analysis-ms-office/blog/2014/03/12/how-asug-members-influenced-analysis-office-and-sneak-preview
