docs: ensure CREWAI_PLATFORM_INTEGRATION_TOKEN is mentioned on docs (#3687)

docs/en/enterprise/features/tools-and-integrations.mdx

@@ -57,6 +57,22 @@ Tools & Integrations is the central hub for connecting third‑party apps and ma
   uv add crewai-tools
   ```
 
+  ### Environment Variable Setup
+
+  <Note>
+    To use integrations with `Agent(apps=[])`, you must set the `CREWAI_PLATFORM_INTEGRATION_TOKEN` environment variable with your Enterprise Token.
+  </Note>
+
+  ```bash
+  export CREWAI_PLATFORM_INTEGRATION_TOKEN="your_enterprise_token"
+  ```
+
+  Or add it to your `.env` file:
+
+  ```
+  CREWAI_PLATFORM_INTEGRATION_TOKEN=your_enterprise_token
+  ```
+
   ### Usage Example
 
   <Tip>

docs/ko/enterprise/features/tools-and-integrations.mdx

@@ -57,6 +57,22 @@ mode: "wide"
   uv add crewai-tools
   ```
 
+  ### 환경 변수 설정
+
+  <Note>
+    `Agent(apps=[])`와 함께 통합을 사용하려면 Enterprise Token으로 `CREWAI_PLATFORM_INTEGRATION_TOKEN` 환경 변수를 설정해야 합니다.
+  </Note>
+
+  ```bash
+  export CREWAI_PLATFORM_INTEGRATION_TOKEN="your_enterprise_token"
+  ```
+
+  또는 `.env` 파일에 추가하세요:
+
+  ```
+  CREWAI_PLATFORM_INTEGRATION_TOKEN=your_enterprise_token
+  ```
+
   ### 사용 예시
 
   <Tip>

docs/pt-BR/enterprise/features/tools-and-integrations.mdx

@@ -57,6 +57,22 @@ Ferramentas & Integrações é o hub central para conectar aplicações de terce
   uv add crewai-tools
   ```
 
+  ### Configuração de variável de ambiente
+
+  <Note>
+    Para usar integrações com `Agent(apps=[])`, você deve definir a variável de ambiente `CREWAI_PLATFORM_INTEGRATION_TOKEN` com seu Enterprise Token.
+  </Note>
+
+  ```bash
+  export CREWAI_PLATFORM_INTEGRATION_TOKEN="seu_enterprise_token"
+  ```
+
+  Ou adicione ao seu arquivo `.env`:
+
+  ```
+  CREWAI_PLATFORM_INTEGRATION_TOKEN=seu_enterprise_token
+  ```
+
   ### Exemplo de uso
 
   <Tip>