This depends on the role the literature review plays in the research.
For you as the writer, the literature review provides a map of the theory and research related to your chosen subject of study. It can help you:
For the reader, the literature review can reveal your rationale for pursuing your line of inquiry. A published literature review can also provide the reader with an appraisal of the existing literature on a topic, provide background for their own research interests, and present related texts in conversation with each other.