Level 88
Not sure if that is possible, the only thing the documentation mentions is this
# Pagination control
->addComponent(new Pager)
Looking at the code you probably need to call the initialize function on the page https://github.com/Nayjest/Grids/blob/master/src/Components/Pager.php
If you have any questions or issues, ask the creator of the package. He/she knows all the ins and outs