The UI/UX looks clean with great user experience which makes it very easy to use for clients as well from internal people who are building campaigns in different platforms like google ads or facebook etc..The reporting can be made more easier if there were fewer columns being displayed at once but thats not much problem since you have access only through excel sheet (which has limited options).
Their support team always help out when needed even after hours during weekends / holidays so no issues here! Nothing really good about this product i would say maybe they need some improvements over time just because every other software does get better overtime too!! Reporting part needs lot improvement along side enhancements done across all aspects including UX & Ui front end design features also API integration should improve upon soon - This will make life quite simple while managing reports internally within our organization!!