Here’s an interactive tutorial
** Best experienced in Full Screen (click the icon in the top right corner before you begin) **
https://www.iorad.com/player/2289577/How-To-Add-Icon-To-A-Button-In-Elementor—WordPress–EN-0040-
12 STEPS
1. The first step is to open your page and click Edit with Elementor
2. Right Click your button
3. Click Edit Button
4. Click Content
5. Click Icon Library
6. Click Filter by name…
7. Type your icon. For example: angle right
8. Click on it
9. Click Insert
10. Well done. Now, let’s place it after the button title. Click Before
11. Select After
12. Great! Click Update