What is Azure Msol?

Could you please elaborate on what Azure Msol stands for and its role in the broader context of Microsoft's cloud services? Azure Msol seems to be a crucial component, but I'm not entirely familiar with its specific functionalities and how it integrates with other Azure offerings. Understanding its capabilities and limitations would be highly beneficial in making informed decisions regarding our cloud infrastructure. Could you provide a concise yet comprehensive description of Azure Msol, highlighting its key features and benefits?