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The value-proposition of e-Procurement towards enhancing organisational performance has become an inevitable phenomenon. However, arriving at a decision to acquire an e-Procurement system is not a product of a thumb-sucking exercise. This stems from the fact that acquiring such a system requires a financial injection and also re-alignment of the organisational setup. This is a conceptual article based on content analysis of literature reviewed in the PhD study entitled "Developing e-Procurement framework to enhance Supply Chain Management performance in the public South African public sector". The objective of this conceptual article is to discuss theoretical perspectives with the purpose of unearthing critical considerations that government needs to pay attention to prior to acquiring an e-Procurement system. This article focuses on the following four models, namely, Technology Acceptance Theory, Transaction Cost Theory, I