@Chelmite
You hold the shift key to select more components.

Now, You can use this extension. It works on Windows and Mac.

https://sketchucation.com/plugin/2371-s4u_import_camera
https://extensions.sketchup.com/extension/e1963b0a-246e-4312-bf00-206fc961d322/s4u-import-camera

Try this extension
https://sketchucation.com/pluginstore?pln=s4u_OnOff_Shadow
https://extensions.sketchup.com/extension/67b384a4-081d-4165-bc61-54f18891cbd3/s4u-on-off-shadow

Please update the new version 2.4.0 to fix it.

Thank you your feedback.
Please update the new version 2.4.0 to fix it.
Or
Inside Sketchup, menu Extensions – Suforyou – License Manager – Manager…
Select s4u-Layer
Click Install.

You can get free trial here
https://www.sketchupforyou.com/purchase/
connect more than 2 line segments you can trial here
https://sketchucation.com/pluginstore?pln=s4u_find_gap

I fixed it.
Please check again.

Draw Boundary from coordinate file.

Download
https://sketchucation.com/pluginstore?pln=s4u_draw_boundary

SketchUp Extension Warehouse

Your library of custom third-party extensions created to optimize your SketchUp workflow.

(extensions.sketchup.com)

Try save as Autocad DXF 2010 or later.
Update s4u ImportDxf v4.2.0 fix it.

Please contact to support@sketchupforyou.com.