When Draven Audacious dies with Guardian Angel, does opponent score a point?

No, your opponent will not score a point if Draven, Audacious dies while equipped with Guardian Angel.

Reasoning

• Replacement Effect: According to RiftJudge FAQ #9367 and Rule 369.1, Guardian Angel acts as a replacement effect. When the unit would die, the effect replaces that "death" event with "kill this Guardian Angel instead," and the unit is healed and recalled to your base.
• Death Prevented: Because the unit is recalled to the base, it never actually "dies" or is sent to the trash.
• Trigger Condition Not Met: Draven, Audacious has the ability: "When I die in combat, choose an opponent. They score 1 point." Since the "die" event was replaced by the recall, the condition for Draven's triggered ability is never met, and it does not go on the chain.

This interaction is consistent with how other replacement effects, such as Zhonya's Hourglass (see RiftJudge FAQ #9009), function in Riftbound.