Testing your stories before submitting them to clients can save you a lot of time spent reworking development post-review. It also ensures that your clients are confident in your abilities.
Before submitting stories for review, you should ensure that you are testing the entire story, interacting with all elements on each screen, and ensuring that all slides work in the manner for which they were developed. If not, revise accordingly.
A good recommendation is to develop a test case document where you outline all of the elements you want to check during your review, as this will allow you to essentially go through a quick checklist during your review to ensure everything has been reviewed from a quality assurance standpoint. Test case checklists should be project-specific and include elements featured in the project requirements document or Statement of Work.
Another recommendation is to try and break your story each time you review it and interact with all the buttons, toggling back...