“The Geneva Bible is not. Nor are the NASB or ESV among others. The KJV is based on the Received Text while most other English versions on the Critical Text”.
And you can find a study guide for every one of them.
Not exactly. You can find separate commentaries on most Bibles including your NABRE, and also the Eastern Orthodox Bible.
In the age of E-readers, tablets and apps it is easy to link in footnotes and hyperlink commentary if the reader so desires.
The tablets or mobile devices also make it easy to carry an entire library around on one device.