Depends on the amount of text. If you're going for an image, you'll definitely want to consider a "scroll-stopper". High-quality images with little text do best for ads, unless you're planning to just post to your page(s)/group(s). Then, feel free to add text (I recommend Canva to see some of their examples and Unsplash for some really good images).Never tried because with many texts it's it'll go very slowly