Envato Elements' Clients are not entitled to Support from the Author. However, we have hundreds of articles at your disposal in the KnowledgeBase. If you need support, you can buy a license here - https://themeforest.net/user/vamtam/portfolio.
This theme requires Elementor Pro. If you don't have Elementor Pro, please download it here. You can also use one of the many Elementor Pro GPL Free versions. We have tested the theme with one of the most popular ones - ProElements, and the theme is 100% compatible with it.