Giovinco was targeted during their 0-0 draw with Lazio on Saturday.
"There can be dissent, but I'd like to underline it was a small section and not the entire stadium," agent Claudio Pasqualin told TMW.
"Seba's time at Juve has been positive and the proof is there in the fact Antonio Conte considers him to be a first choice pick.
"Maybe he could've scored a few more goals, but he is aware of that too. At times it was down to bad luck, others the opposition goalkeeper, but Seba is relaxed.
"He has a cool head and the strong shoulders of a champion. This unlucky moment will pass. As for the jeers, even if they were coming from a small minority, it is all part of the game."