His reports from the front were published in the journals Niva and Sparks, and were often reprinted in Russian and overseas news publications.

Apollo produced and distributed newsreels, nature films, films covering sporting events (including an international skating competition in Vyborg and a 1910 automobile race from St. Petersburg to Rome and back), and adaptations of classic works of literature (including A. Ostrovsky and M. Maeterlinck's On The busiest place and Blue Bird, and even a fairy tale, The Frog Princess).

He created portraits of Grigori Zinoviev, Lev Kamenev, Joseph Stalin and many other Soviet communist leaders, essentially acting as a staff photographer in Smolny.

Bulla was initially sentenced into exile and "ten years in solitary confinement" which was an euphemism for execution by shooting.

His fate remained unknown for many years, and as a result some unfounded rumours spread about him having died in one of the Soviet prison camps in 1942–1944.

[6] Viktor's son, Yuri (born in 1919) also became a photographer and worked in Leningrad, pioneering photojournalism for the newspaper Lenin sparks.