I'm at a loss trying to implement a custom comment system.

I’m trying and trying to implement a custom comment system but I can’t, for the life of me, find out how.
The standard template for single post does now allow me to insert the “standard wordpress comments”. It just wants to insert the customized view of comments included in the theme.

The problem is that this will make both WPDizqus and Thrive Comments useless and they will not be able to render properly anymore. I always see the standard comments block created for the theme.

I need to be able to insert Thrive custom view of comments right into the Single Post Template that I’ve made with TagDiv composer. I cannot find a way to insert the the standard WordPress shortcode and since Thrive is based off WordPress comments (it will dynamically change the view of standard WordPress comments) I am not able to see it.

Is there a way to insert any of the custom comment systems such as Thrive or Jetpack with this theme or should I just desist?.

I need for the theme to not intercept and change the standard WordPress comments, otherwise I will never see any of those custom commment systems that relies on WordPress inserting the comments.

This situation needs to improve, the theme is very limited because of this.