Access your online Pagatelia account at www.pagatelia.com/micuenta

You will see the consumption tab where you will be able to check all your transits made, please note that the highways send the transits with deference, so it is possible that the last transits you have made are not yet loaded:

If you need to download an individual transit voucher, click on the transit:

Then, in the map, in the "Print" option, save the file as a pdf to keep a copy of it: