No. Astah Community has not been available for commercial use since version 7.0. - read Astah END-USER LICENSE AGREEMENT - Article 7: Special Agreement
for more details.
Only Astah Community version 6.9 is allowable for commercial purpose. However, we retain the right to close Astah Community version 6.9 without notice. To use Astah for commercial use, please purchase Astah Professional
Astah Professional is available from USD 9.99 a month. See our pricing page for more details