As nouns the difference between problematic and obstacles
is that problematic is a problem or difficulty in a particular field of study while obstacles is plural of lang=en.
As an adjective problematic
is posing a problem; difficult to overcome or solve.
problematic
English
Adjective
(head)
posing a problem; difficult to overcome or solve
debatable; open to doubt
unresolved or dubious
doubtful or uncertain in its outcome
Noun
(
en noun)
(chiefly, in the plural) A problem or difficulty in a particular field of study