Unable to answer "Is there a bench at this stop?" – Avinguda Primer de Maig, 89 (Bus Stop) – https://osm.org/node/8705101644 via StreetComplete 59.3:

There is a bench but it does not belong yo the bus stop. In fact, it is facing the other way around.

Attached photo(s):
https://westnordost.de/p/249774.jpg