Hi Viktor,
Thanks for using Syncfusion products.
The ScrollService is default injected module in the Grid component. So, there is no need to inject the module while creating the Grid Angular app. We have also mentioned the same Feature modules documentation like as follows,
Note: SearchService, PrintService, SelectionSerive also default injected service.
Please let us know if you have any further assistance on this.
Regards,
Venkatesh Ayothiraman.