Buttons POST's to: https://pdfer.sesamy.com/pdf
Example data (for sales pdf):
{
  "target": "pdf/sales",
  "vendorInfo": {
    "address": "Kvarnstenen Example AB",
    "orgNr": "532222-1234",
    "zipcode": "100 22",
    "city": "Västerås",
    "boxNr": "1337",
    "country": "SE"
  },
  "dates": {
    "invoiceDate": "2025-12-06",
    "dueDate": "2025-12-06"
  },
  "i18n": {
    "lang": "sv",
    "locale": "sv-SE",
    "currency": "SEK"
  },
  "sales": {
    "totals": {
      "refunds": null,
      "sales": 23518928,
      "sesamyFee": 6553926,
      "summary": 22235002
    },
    "items": [
      {
        "description": "Montly sub",
        "netSales": {
          "quantity": 956,
          "amount": 4702230
        },
        "refunds": {
          "quantity": null,
          "amount": -49034
        }
      },
      {
        "description": "Yearly sub",
        "netSales": {
          "quantity": 88,
          "amount": 602324
        },
        "refunds": {
          "quantity": null,
          "amount": -15224
        }
      },
      {
        "description": "Stenen special",
        "netSales": {
          "quantity": 1,
          "amount": 308137
        },
        "refunds": {
          "quantity": null,
          "amount": 0
        }
      },
      {
        "description": "Single Purchase",
        "netSales": {
          "quantity": 85,
          "amount": 110643
        },
        "refunds": null
      }
    ]
  }
}