Display in a slider/carousel instead of grid

Yes you can!

You can use template parts to define the exact markup used, so it matches your slider plugin’s requirements.

This tutorial uses slick slider, but the concept applies to any slider: https://displayposts.com/2019/01/04/use-template-parts-to-match-your-themes-styling/

You can also use the display_posts_shortcode_wrapper_open and display_posts_shortcode_wrapper_close filters to customize the opening/closing markup. Ex: https://displayposts.com/2019/01/04/use-section-element-for-wrapper/