OfficeQA Pro: An Enterprise Benchmark for End-to-End Grounded Reasoning. - Krista Opsahl-Ong; Arnav Singhvi; Jasmine Collins; Ivan Zhou; Cindy Wang; Ashutosh Baheti; Owen Oertell; Jacob Portes; Sam Havens; Erich Elsen; Michael Bendersky; Matei Zaharia; et al. (CoRR, 2026)