Need some Help to get some answers related to Camera tracking tools for unreal

Hi everyone!!,
I need some help to get some answers for few questions regarding camera tracking tools we can use for Unreal.
Any one whose having knowledge on camera tracking tools can you please add your thoughts on below questioner. Please feel free to add your thoughts. Replies you provides will not go online anywhere it’s for academic purpose research and to conduct a test Unreal project.
Thanks everyone, It’ll be a huge help, Looking forward to receive your thoughts and opinions soon.

Questioner link,
https://forms.gle/bsa6nzi9qK97Nt3x5