infinite scroll relies on ajax you can use request interception to change payload data to reveal info np

you can try like intercept api ca and do like copy tokens and sesion idss and cookies set them and triger api cal with changed url data like

1st /api/something?limit=100

2 st /api/something?before=id of last coment ret from 1st call &limit=100 or you can try with counter of offset and set limit on biger