In this sentence, **"can"** expresses **possibility or capability**. The speaker is questioning how difficult it might be to handle the responsibilities of the management position, implying that they believe it might not be too hard.
So, no, "can" here does not specifically mean "possibility to become a manager." Instead, it reflects the idea of **how possible or manageable the tasks of a management role might be**.
Here’s a breakdown:
- **How hard can it be?** → A rhetorical way of saying, "It might not be that hard" or "It’s manageable."
If you're discussing the possibility of becoming a manager, you might say:
- *"Do you think I can get the management position?"*