When I am trying to load this pdf http://merlin_test.s3.amazonaws.com/myPdf.pdf, it's unable to render all the contents. There is a blue background which is not visible and some of the texts are not visible as well as the color is not proper. Can someone please help

case "BM":
          this.ctx.globalCompositeOperation = value;
          break;
        case "SMask":
          if (this.current.activeSMask) {
            
            
            
            if (
              this.stateStack.length > 0 &&
              this.stateStack[this.stateStack.length - 1].activeSMask ===
                this.current.activeSMask
            ) {
              this.suspendSMaskGroup();
            } else {
              this.endSMaskGroup();
            }
          }
          this.current.activeSMask = value ? this.tempSMask : null;
          if (this.current.activeSMask) {
            this.beginSMaskGroup();
          }
          this.tempSMask = null;
          break;
        case "TR":
          this.current.transferMaps = value;
      }
    }
  }
  beginSMaskGroup() {