how to download file using api angular

I have an API that downloads a file, I have a button on the button I have a click that sends a request to the API for download a file, but it doesn’t work request sending successfully but the file is not downloaded, but when I’m adding the URL into the browser the file is successfully downloaded

HTML

<button (click)="exportFile()">Download</button>

TS

  exportFile(): void{
this.companiesService.export().subscribe((res) => {
  console.log(res);
});
}

Service

  export(){
    const headers = this.httpOptions.headers.set('Authorization', `Bearer ${this.cookieService.get('access-token')}`);
    return this.http.get(`${this.API_URL}/company/export/`,{headers});
  }