Hi Rafael,
Greetings from syncfusion support.
Query : Toolbar icons not showing
We have analyzed your query and found that the icons used in the Grid toolbar are custom icons not syncfusion icons. To show these custom icons in your project we need to add below styles in the project.
Custom font Icons :
Referring custom font icons in the project:
Find the below sample for your reference. (See the styles used in app.component.html file )
(see the Source section in the below link)
Also refer the below documentation which illustrates available icons in EJ2.
Please get back to us if you need further assistance on this.
Regards,
Rajapandiyan S