Here’s a great example. This ad from Adobe is both visually pleasing and has a strong message for Women’s History Month.Here are some visual design recommendations for your LinkedIn ad:
First, make sure you’re using rich media.

Use Canva to create unique, branded social media images.
Vary your image types—try using icons, GIFs, stock photos, graphics, etc.
Use colors that stand out from the page—stay away from lighter backgrounds like white or gray.
Use videos and infographics that are designed to help convert your audience into buyers.
Additionally, include CTAs to encourage clicking.