By Martin Baccardax Weaker PC markets and questions over its $69 billion acquisition of video game maker Activision will put even more pressure on Microsoft’s cloud division, including Azure, ahead of today’s third quarter earnings. Microsoft Corp. (MSFT) – Get Microsoft Corporation Report shares edged lower Tuesday ahead of the tech giant’s third quarter earnings after the close of trading, with investors will likely focus once again on revenue growth rates for Azure, Microsoft’s key cloud computing offering, to offset slowing demand and chip shortages in the global market for personal comput…