Hi,
1. You didn’t need it that add-on that is only needed to change the maps colors. You can set the zoom of your maps manually depending on how you added them, via widget options or shortcode parameters. However, the map zooms out auotmatically to include all your pins and you have only 2 very far away from each other. If you start adding listings in other locations, the problem will most likely disappear, while the fixed zoom will create problems.
2. Which one would be upside down? I see everything correctly on that screenshot (providing a link instead of screenshot is a lot better to get support)
3. please see: https://wpgeodirectory.com/docs/faqs/how-do-i-disable-reviews/ also in design settings of the detail page you have options to hide tabs.
4. you can moderate them, option to do so is in Design > Listings > Listing General Settings > New listing default status
Thanks