白板中的列可以被单独导出为PDF文档，或者单独分享为链接给出去么
System Info
- App Version: 1.1.61
- Platform: Windows Windows 11 Pro (10.0.26200) x64
- Electron / Chrome: 36.9.5 / 136.0.7103.177
- CPU: Intel(R) Core(TM) i5-14400 x16
- Memory: 1.4 GB free / 15.7 GB
- Displays: 1920x1080@1x
- System Locale: zh-CN
- App Language: zh
- Theme: light
- Signed In: yes
- Current Page: app://./zh/flow/?whiteboardId=424b1ac2-33ba-4075-b255-bc193191a8fe
- Window: 1920x1032@1x
- Time: 2026-10-23T10:40:23.104Z (Asia/Shanghai)
