class SomeService
{
    /**
     * @var Obje1
     */
    private $o1;
    /**
     * @var Obj2
     */
    private $o2;

    public function __construct(Obje1 $o1, Obj2 $o2)
    {
        $this->o1 = $o1;
        $this->o2 = $o2;
    }

    public function render() {
        $this->pdf->setParameter1(...);
        $this->pdf->setParameter2(...);
        $this->pdf->setParameter3(...);
        $this->pdf->setParameter4(...);
        $this->pdf->setParameter5(...);
    }
}