Just like every high-quality post you've read in a SaaS blog.
1500 to 2000 words, It could be: "How-To" Post, List-Based Post, "What Is" Post, The Pillar Page Post
Failing to answer such a simple direct question makes me question your ability to custom write a post to a specific audience.
> Just like every high-quality post you've read in a SaaS blog.
The problem is that I have reed too many high-quality posts and too many low-quality posts. It's difficult to know if it's worth my time to give the information you need to write a good post before reading at least a few samples.
[Disclaimer: I don't have a business, so I'm not going to use your service. But I really think that this is very important for anyone that is your possible costumer.]