Please make sure you using the latest version. because in this version we disabled load script in the posts/pages.
For find problem, can you find Chart.bundle.min.js in posts/pages source and let me know the find result.
WP Statistics: v12.1.3 (latest available via WordPress)
The7 Visual Composer: v5.2.1
Code below is from the page source when using the Visual Composer front-end editor. When WP Statistics is active, the “Save Changes” button does not function (screenshot).
<script type=’text/javascript’ src=’http://www.joshuajohnsondesign.com/wp-content/plugins/wp-statistics/assets/js/Chart.bundle.min.js?ver=2.7.0′></script>
I need an access to your WordPress to the check.
I sent a login to you through your website (https://wp-statistics.com/contact/)
I’ll check soon.
Thank you for the access.