The purpose of these forums is to provide support for WordPress and the software hosted here. That’s a commercial product and those are not supported here as that link I posted explained.
https://codex.www.ads-software.com/Forum_Welcome#Commercial_Products
Commercial Products
If you use a commercial theme or plugin and need support, please go to their official support channel. In order to be good stewards of the WordPress community, and encourage innovation and progress, we feel it’s important to direct people to those official locations. Doing this will provide the developer with the income they need to make WordPress awesome.
Forum volunteers are also not given access to commercial products, so they would not know why your commercial theme or plugin is not working properly. This is one other reason why volunteers forward you to the commercial product’s vendors. The vendors are responsible for supporting their commercial product.
If you have an example from a theme or plugin in the WordPress repo then that’s something that can be helped here. Your question is specifically about modifying the code on that commercial theme.
https://sitemile.com/products/wordpress-project-freelancer-theme/