Too Long; Didn't Read
Moving to PaaS means a large portion of your project's technical complexity will be handled by a vendor. This significant change impacts team members' roles and responsibilities. DevOps, software developers, engineering, and business managers are among those affected. Paa's solution probably comes with a wide variety of technologies already integrated (or available as plug-ins/add-ons) with your platform. You'll have fewer decisions to make as long as your use case matches closely to what the vendor provides.