When you download a "Proteus Library" for this component, you are typically downloading a compressed file ( .zip or .rar ) that contains two specific file types:
To see data, you often need to use the in Proteus to monitor the SPI communication between your microcontroller and the Go to product viewer dialog for this item.
Some third-party MCP2515 libraries are incomplete and lack a proper VSM (Virtual System Modelling) code. Fix: Download a different library version. The one from The Engineering Projects (dated 2020 or later) includes a fully functional model.