EXCERPT:
Loki director Kate Herron says the kiss between Loki and Sylvie in the finale was actually genuine. The acclaimed series finished its 6 episode run on a high note, leaving many tantalizing questions to be answered in Season 2 (as well as the wider MCU in Phase 4). Whether or not Loki and Sylvie still have a future together is among those cliffhangers.
When Loki first met Sylvie in the second episode of the series, it seemed clear that they had some kind of connection, beyond being variants of one-another. After their apocalyptic adventure on Lamentis, even the TVA knew that the connection was romantic. By the time of the finale, those feelings seemed clear to both Loki and Sylvie, though she could not let go of her anger at He Who Remains, forcing her to send Loki back to the TVA so she could kill the man who ruined her life. Many viewers were left wondering whether the kiss the pair shared right before she sent Loki away actually meant something, or if she was had just used it to position herself to grab the temp-pad.
(full article)
https://screenrant.com/loki-season-1-finale-sylvie-kiss-director-response/
