The first step is the same as the Portfolio Section. First of all, you need to create a page from the Testimonial Section which is located on the Admin Panel.
Step 1: Click Testimonial and Add New Testimonial.
Step 2: Set Title, Image and Create a category.
Step 3: Then click Publish.
The top of the Dashboard , there is a “New” options click it and there are several other post types. Then the Page and Edit with Elementor.
After that Go to Yudlee Themes ADDONS for Elementor (You need to activate this plugin)
Step 1: Drag and Drop Ace Testimonial into the Add Section.
Step 2: Then you can select Layouts and no of Posts.
Step 3: You can add more than one Category. ( All the process are same as Portfolio Section)
Click EDIT, you will get 3 Edit options named Layout, Style, and Advance. Set it according to your desire.