This blog is a repost from the MNIT Office of Accessibility
Data visualization should be accessible to everyone. When using Tableau and other tools to create graphical image of information and data, you should consider how all users will have equal access to the information in the visualization.
Data visualization presents information in visual charts and graphs. When creating complex charts and graphs, include summary text and data table to allow users access to the information.
Read the full article at https://mn.gov/mnit/about-mnit/accessibility/data-visualization/