import {PdfRenderModule} from 'pdf-render/dist/pdf-render';

@NgModule({
    imports: [
        PdfRenderModule
    ]
...
...

import {PdfRenderService} from 'pdf-render/dist/pdf-render';

@Injectable({
    providedIn: 'root',
})
export class PdfService {
    constructor(
        public pdfrender: PdfRenderService
    ) {
    }
}

import { PdfRenderService as PdfRenderService$1 } from 'pdf-render';
import { PdfRenderService, PdfRenderModule } from 'pdf-render/dist/pdf-render';