In the Material and Bevel Browser there is a preset tab that has a folder with 30 Bevel Presets. Drag a preset to an extrusion model to apply it. You can also right click to add to an extusion. Save a Bevel Preset by right clicking on the extrusion model and it will save your extrusions and materials settings.
Advanced 3D Text and Bevels • Create 3D Text using Element • Rotate and Animate text and letters • Learn how to use Element to Extrude 3D Text