As digital technologies become central to education, linguistic accessibility emerges as a critical equity issue. This study examines how universities enable multilingual participation through UA. Drawing on Diffusion Innovation Theory (DIT) and Technology Acceptance Model (TAM), this investigation reviews stakeholder experiences across universities in Asia and Europe using an innovative AI-assisted interview methodology. The findings also revealed critical gaps in universities' capacity to advance UN SDG 4/9/10/17 through inclusive digital infrastructure while presenting billions of dollars opportunity.