Synchronise your word and PowerPoint documentation by creating it once. Choose which is the dominant driver for this project is the focus from content or from a Visual perspective. Either create your Word document first or your PowerPoint, but I recommend you don’t get too excited like I do and wait till you are completely finished before pressing that final export command. Ensure you have consulted with others to gain their input into the project.
Design ideas feature makes presentation design easy. Reduce bullet points by converting text to SmartArt and where possible you your company corporate colour scheme. Transitions and Animations are great but don't over use them.