There are a lot of great ISV solutions available in the Dynamics AX ecosystem that can help you bridge the gap between the standard product and the required industry-specific functionality. Usually, if someone already has a solution that has been used by multiple customers, and has experience in that specific domain, it will be less risky than developing your own solution—you don't want to reinvent the wheel.
Project managers and solution architects need to act as the customer's advocate in choosing ISV solutions. Getting the right ISV solutions and holding them accountable within their areas is important for your success.
Before choosing ISV solutions, consider the following points: