You can download the Narayaneeyam with Tamil translation and lyrics from Sanskrit Documents or read it on Stotra Nidhi Dushyanth Sridhar - Facebook
Yes, each of the 1,036 slokas has word-by-word Tamil translation. You can download the Narayaneeyam with Tamil translation
Download the "Swamigal Way" PDF from Valmikiramayanam.in . This format is designed for vocal recitation. Pair this with the audio recordings available on the same site to perfect your pronunciation. each of the 1
Most digital versions you will find, especially on the sites listed above, are not just raw Tamil text. They often come with : especially on the sites listed above