Façade absorbs water in some areas. Is paint a decent solution? (update: no it is not)

My façade was old & cracking. Chunks looked like they were close to falling. I removed all the loose bits and re-rendered with new concrete. I did the proper bonding steps with polyvinylacetate (#PVA). That previously cracked part of the #façade seems relatively strong and water resistent now (i.e. the color remains light...