Workday (WDAY) beat on earnings over its last four quarters. Can it do it for a fifth consecutive time after the bell Thursday? Sam Vadas notes the company's efforts to integrate A.I. into its platform but makes the case it needs to show more of a competitive moat for the stock to run higher. She points out the cloud sector's underperformance compared to tech peers as a reason for concern heading into earnings. Joe Tigay offers an example options trade for Workday ahead of the report.