It is highly unlikely. Most of the concern would be for smaller tanks with thinner glass and not all species can do it.
One that is supposedly well known is the Peacock Mantis and even then, it would have to be a good size.
Most of the Mantis that come in on LR
are very small. If they were not, you would have probably seen it. Where did you get your LR
So I would not worry because 1 It is probably small
2 You have thick glass
3 Probably not the species that would
I had 3 in my 30 gal
for over two weeks and I absolutely freaked before I learned more about them.
EDIT: If you have not already, I would wait to add fish and critters until you figure it out.
Here is a link someone sent me a while back with different ID's. Notice there are two kinds of claws species have: spearers, and smashers.