Now, Visio comes bundled with Office 365. And not like earlier standalone versions like Visio 2019, Visio 2016, etc. But Visio through Office 365 only offers you viewing and sharing capabilities. To edit/create any changes or drawings, you need to buy its subscription to acquire those capabilities.
If you are aiming for a career in Business Analytics, check out the Business Analyst course from Intellipaat, and get started by watching the following video on Microsoft Visio Tutorial to get a better idea.