Boundaries of a biographical novel

Autobiographical novels became very popular in Armenian literature in the 1930s. Stepan Zoryan's "A Life Story", Vahan Totovents's "Life on the Ancient Roman Road", Gurgen Mahari's "Childhood" and "Youth", Zapel Yesayan's "Gardens of Silichtar" novels were published. At the same time, biographical novels began to be written about cultural, social, political, and other prominent figures. What are the characteristics of autobiographical works? Are there any significant differences and boundaries between biographical-documentary novels and just between works about a famous person? Literary critics Hayk Hambardzumyan and Arkmenik Nikoghosyan are debating in "Parallel Readings".