Possible bugs should be reported over in Report an Issue. Not only is that the place where it is most likely to be seen by the TS personnel tasked for managing bug reports from the general public, but the report form that pops up will ask you for more detailed info than you have provided ehre.
1) Showing/hiding the tool bar is specific to a given layout. If you change layouts or open a different window, the need to once again hide the tool bar can arise.
2) will need more info--especially what iOS version you are using on that device as it may be the case that you are using an older version of the iOS than will work for this feature.
3) If the keyboard tool bar is hidden, you can't scroll the layout to get to fields hidden by the keyboard. If the toolbar is visible, you provide the user with tools you might not want them to have, but now you can scroll the layout. I think you are describing this known issue with FM GO 14.
For More Information see: If the edit toolbar is disabled, the layout does not scroll properly when the keyboard pops up.
This is one of many acknowledged bugs that can be found in the Known Buglist for Filemaker GO thread here in the Report an Issue section of the forum.
It can also be downloaded as a database file from: https://www.dropbox.com/s/jt09b82i0xijbu3/FMP%20Bugs.zip
Okay, than you for the answers, that clarifies things. Will wait for latest version.
Item 3 - the layout not being scrollable when keyboard toolbar is hidden and keyboard is active seems to now be fixed with FileMaker Go 14.0.2 update released today :-)
And the report in the Known Bugs List on this has been marked "closed".