'so it may seem' is correct and usable in written English.
It can be used to introduce a statement that has been based on assumptions, experiences, or general opinion. For example, "He is a hard worker, so it may seem like he has a clear path to success."
These considerations played a role in Hitler's decision to invade the Soviet Union.The politics of food is frequently ignored, so it may seem carping to complain that the book overdoes its theme.
The concerts are thoughtfully arranged, expertly played and free, so it may seem churlish to complain.
An underrated virtue in the German language, to be sure (or so it may seem to the Anglophone mind).
If only he learned to control himself and settle down with her, all would be well, or so it may seem.
So, it may seem counterintuitive that she is going back for more, performing in an off-Broadway production of A Midsummer Night's Dream in the role of Hermia at the end of March.
Backing up is hard to do -- or so it may seem to many computer users who decline to perform that routine chore because of confusing software, lack of hardware or lack of interest.
"Do they understand that it will take 20 years to pay it off?" Britain has not reached that level of debt yet, but even so, it may seem a bit rich for a hedge fund magnate whose immense wealth flows from a business model based on borrowing far beyond his own assets to be lecturing governments about excessive debt.
David Foster Wallace probably got close to explaining why it works when, in "E Unibus Pluram", he put the case for a return to what he called "single entendre principles", by which he means a willingness to ditch irony in favour of a naive (or so it may seem) sincerity.
Most people hate voicemail so it may seem curious that Facebook is adding voice messaging to Messenger.
So, it may seem shocking that BC Biermann and Jordan Seiler thrive on pissing those patrons off by protesting public ad spaces.
