The admissions board will thoroughly evaluate your application, whereby your individual academic background in Communication Science and/or Social Science theories and quantitative research methodology of the social sciences is very relevant.
Applicants with a degree in the areas of among others Accountancy & Finance, Arts & Theater, Business administration, History, Language, Law, Literature, Medicine, and STEM will not usually be considered, unless the degree is complemented by at least 1.5 academic year's worth of academic coursework in Communication Science and/or Social Sciences. In the latter case, admission is never guaranteed but might be considered.
Mind that decisions regarding other students' admission status cannot be used as an argument for admission. Admission decisions are based on individual students' academic study careers, including elective coursework and minors chosen, inter alia. That is why the admission decision for students with the same Bachelor's programme at the same university can nevertheless differ.