What is the most convenient way to maintain document management for a business? What programs do you use most often?

What software and online services do you use in your business? As for me many right solutions are provided by Pandadoc and this is truly something you can rely on. I also advise using different services, for example, https://www.pandadoc.com/industries/legal/ If you spend a lot of time creating documents manually, this will be a great idea, how to save at least half of your time.