An admissions or student-services inbox is mostly the same questions at volume: entry requirements, deadlines, which documents are missing, how fees and deposits work, what a CAS or visa letter needs, when accommodation opens, how to change module. The answers are in the prospectus, the handbook and the student record. The queue exists because the questions arrive at night, in many languages and in peaks around results and enrolment.
A student support chatbot that answers from those documents, with a link to the page it quoted, clears that load. One that improvises is worse than none, because an applicant who acts on a wrong deadline has a grievance. So it answers from policy or says it cannot, and hands over.