Font with the same name being embedded multiple times after combined in Acrobat Pro

[santhoshr29800103]

Hi,

I am combining the  Chapters PDF in to a combined One using Acrobat Professional Xi, 2024.  After combined, if i check the fonts in document properties the same name being embedded as multimple times. 

Please advise why the same name of the fonts shows in two times. How to fix this?

Screenshot for references:

Thanks,

Santhosh