The Viewer module is a simple and yet powerful module to import and process structured or unstructured file types such as CSV, XLSX/XLS, PDF and present them in Drupal via Viewer reference field or a Block. The module comes with multiple plugin support for various data. Some of the plugins include integration with Chart.js, ApexCharts, Datatables and many more. You may easily organize your data and display each file in a tab (horizontal or vertical), accordions and other options could be also added.