Column formatting / Show or hide columns based on user permission

Ivan_Volkov For SharePoint 2019, you have to use the Abstract Syntax Tree (AST) expressions using operator and operands. Try this: 

{
  "$schema": "https://developer.microsoft.com/json-schemas/sp/v1/column-formatting.schema.json",
  "elmType": "div",
  "style": {
    "visibility": {
      "operator": "?",
      "operands": [
        {
          "operator": ">=",
          "operands": [
            "[$PermMask]",
            "0xb00"
          ]
        },
        "hidden",
        "visible"
      ]
    }
  },
  "txtContent": {
    "operator": "?",
    "operands": [
      {
        "operator": ">=",
        "operands": [
          "[$PermMask]",
          "0xb00"
        ]
      },
      "read-only",
      "more than read"
    ]
  }
}

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