The internal web browser in the Documents app allows:
To start browsing, tap the Browser tab on the sidebar on iPad or tap the browser
To configure browser settings, tap Settings and go to the Browser section:
To save a web page:
Please notice that the Documents app browser allows you to open websites in multiple tabs.
Please tap 'Tabs overview’ and '+' buttons on the menu bar of the internal browser in order to open a new tab on the iPhone version of the app.
Please tap the ‘+’ button on the top bar of the iPad version of the app in order to add a new tab.
You can also perform the long tap on any link of the currently opened web page and select the new tab opening for it.